diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 69bafcc9321d..b98cde989748 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -19,7 +19,7 @@
   "core/packages/typeless-sample-bot": "3.1.2",
   "core/paginator": "6.0.2",
   "core/precise-date": "5.1.0",
-  "core/projectify": "5.0.1",
+  "core/projectify": "5.1.0",
   "core/promisify": "5.1.0",
   "handwritten/bigquery": "8.3.1",
   "handwritten/bigquery-storage": "5.1.2",
@@ -267,4 +267,4 @@
   "packages/google-storagetransfer": "4.2.3",
   "packages/google-streetview-publish": "0.4.2",
   "packages/grafeas": "6.2.0"
-}
\ No newline at end of file
+}
diff --git a/changelog.json b/changelog.json
index 1b7af44b08a4..d4e1fba78aa9 100644
--- a/changelog.json
+++ b/changelog.json
@@ -64,23 +64,6 @@
       "id": "73eab495-b7c3-40c5-896f-572b43fdd379",
       "createTime": "2026-07-08T17:10:18.122Z"
     },
-    {
-      "changes": [
-        {
-          "type": "feat",
-          "sha": "3391fd27d1c15e051293207a07c6db00e760d370",
-          "message": "Update API sources and regenerate",
-          "issues": [
-            "8672"
-          ]
-        }
-      ],
-      "version": "5.1.0",
-      "language": "JAVASCRIPT",
-      "artifactName": "@google-cloud/precise-date",
-      "id": "ef93f9b7-739d-49a7-aa75-f1c04b9ab908",
-      "createTime": "2026-06-24T18:20:54.504Z"
-    },
     {
       "changes": [
         {
@@ -98,23 +81,6 @@
       "id": "6b65487d-c5a9-45df-adf7-524481537017",
       "createTime": "2026-07-07T04:38:13.492Z"
     },
-    {
-      "changes": [
-        {
-          "type": "feat",
-          "sha": "3391fd27d1c15e051293207a07c6db00e760d370",
-          "message": "Update API sources and regenerate",
-          "issues": [
-            "8672"
-          ]
-        }
-      ],
-      "version": "5.1.0",
-      "language": "JAVASCRIPT",
-      "artifactName": "@google-cloud/promisify",
-      "id": "20912a56-2568-49fa-a6ba-180bdfa33d32",
-      "createTime": "2026-06-24T18:20:52.132Z"
-    },
     {
       "changes": [
         {
@@ -184,23 +150,6 @@
       "id": "91efec41-6f4d-46a2-85e4-30da0709e6a2",
       "createTime": "2026-07-06T06:28:40.860Z"
     },
-    {
-      "changes": [
-        {
-          "type": "feat",
-          "sha": "d9399f0cf44b79e2b38ce429b17709ee9845544e",
-          "message": "Migrate google-cloud-capacityplanner to librarian v0.22.0",
-          "issues": [
-            "8773"
-          ]
-        }
-      ],
-      "version": "0.2.0",
-      "language": "JAVASCRIPT",
-      "artifactName": "@google-cloud/capacityplanner",
-      "id": "d3f5584e-4924-4d9c-9236-67a0ec3f40a3",
-      "createTime": "2026-06-29T17:40:53.096Z"
-    },
     {
       "changes": [
         {
@@ -244,6 +193,23 @@
       "id": "d3f5584e-4924-4d9c-9236-67a0ec3f40a3",
       "createTime": "2026-06-29T17:40:53.096Z"
     },
+    {
+      "changes": [
+        {
+          "type": "feat",
+          "sha": "d9399f0cf44b79e2b38ce429b17709ee9845544e",
+          "message": "Migrate google-cloud-capacityplanner to librarian v0.22.0",
+          "issues": [
+            "8773"
+          ]
+        }
+      ],
+      "version": "0.2.0",
+      "language": "JAVASCRIPT",
+      "artifactName": "@google-cloud/capacityplanner",
+      "id": "d3f5584e-4924-4d9c-9236-67a0ec3f40a3",
+      "createTime": "2026-06-29T17:40:53.096Z"
+    },
     {
       "changes": [
         {
@@ -710,6 +676,57 @@
       "id": "9d11a7e7-9865-4e27-b485-8c00ef86dfb0",
       "createTime": "2026-06-25T13:39:13.011Z"
     },
+    {
+      "changes": [
+        {
+          "type": "feat",
+          "sha": "3391fd27d1c15e051293207a07c6db00e760d370",
+          "message": "Update API sources and regenerate",
+          "issues": [
+            "8672"
+          ]
+        }
+      ],
+      "version": "5.1.0",
+      "language": "JAVASCRIPT",
+      "artifactName": "@google-cloud/precise-date",
+      "id": "ef93f9b7-739d-49a7-aa75-f1c04b9ab908",
+      "createTime": "2026-06-24T18:20:54.504Z"
+    },
+    {
+      "changes": [
+        {
+          "type": "feat",
+          "sha": "3391fd27d1c15e051293207a07c6db00e760d370",
+          "message": "Update API sources and regenerate",
+          "issues": [
+            "8672"
+          ]
+        }
+      ],
+      "version": "5.1.0",
+      "language": "JAVASCRIPT",
+      "artifactName": "@google-cloud/projectify",
+      "id": "ef7418ba-36d6-4c30-a8ea-13c4434195a7",
+      "createTime": "2026-06-24T18:20:52.474Z"
+    },
+    {
+      "changes": [
+        {
+          "type": "feat",
+          "sha": "3391fd27d1c15e051293207a07c6db00e760d370",
+          "message": "Update API sources and regenerate",
+          "issues": [
+            "8672"
+          ]
+        }
+      ],
+      "version": "5.1.0",
+      "language": "JAVASCRIPT",
+      "artifactName": "@google-cloud/promisify",
+      "id": "20912a56-2568-49fa-a6ba-180bdfa33d32",
+      "createTime": "2026-06-24T18:20:52.132Z"
+    },
     {
       "changes": [
         {
@@ -917,6 +934,51 @@
       "id": "68a02aaa-17ed-404e-b452-e70bda09de60",
       "createTime": "2026-06-18T00:26:09.228Z"
     },
+    {
+      "changes": [
+        {
+          "type": "fix",
+          "sha": "3ec901e2cb45859adfbe914bc0385e6cdf2f2e9a",
+          "message": "Remove vulnerable dependency `uuid`",
+          "issues": [
+            "8120"
+          ],
+          "scope": "deps"
+        }
+      ],
+      "version": "11.2.3",
+      "language": "JAVASCRIPT",
+      "artifactName": "@google-cloud/logging",
+      "id": "25bab115-ea4f-4ff2-a7e0-5aa0384c1b95",
+      "createTime": "2026-06-16T00:07:06.794Z"
+    },
+    {
+      "changes": [
+        {
+          "type": "fix",
+          "sha": "ea623da20f374cfa480fb9fdb7758afd0a993a8e",
+          "message": "Update dependency protobufjs to v7.5.5 [security]",
+          "issues": [
+            "8071"
+          ],
+          "scope": "deps"
+        },
+        {
+          "type": "fix",
+          "sha": "3ec901e2cb45859adfbe914bc0385e6cdf2f2e9a",
+          "message": "Remove vulnerable dependency `uuid`",
+          "issues": [
+            "8120"
+          ],
+          "scope": "deps"
+        }
+      ],
+      "version": "5.1.2",
+      "language": "JAVASCRIPT",
+      "artifactName": "@google-cloud/bigquery-storage",
+      "id": "74883ea7-b13f-4282-9b14-46d047d4e432",
+      "createTime": "2026-06-16T00:07:06.414Z"
+    },
     {
       "changes": [
         {
@@ -1503,51 +1565,6 @@
       "id": "e51e396d-ddb9-4531-9f9e-4822535bbf23",
       "createTime": "2026-06-16T00:01:48.990Z"
     },
-    {
-      "changes": [
-        {
-          "type": "fix",
-          "sha": "ea623da20f374cfa480fb9fdb7758afd0a993a8e",
-          "message": "Update dependency protobufjs to v7.5.5 [security]",
-          "issues": [
-            "8071"
-          ],
-          "scope": "deps"
-        },
-        {
-          "type": "fix",
-          "sha": "3ec901e2cb45859adfbe914bc0385e6cdf2f2e9a",
-          "message": "Remove vulnerable dependency `uuid`",
-          "issues": [
-            "8120"
-          ],
-          "scope": "deps"
-        }
-      ],
-      "version": "5.1.2",
-      "language": "JAVASCRIPT",
-      "artifactName": "@google-cloud/bigquery-storage",
-      "id": "74883ea7-b13f-4282-9b14-46d047d4e432",
-      "createTime": "2026-06-16T00:07:06.414Z"
-    },
-    {
-      "changes": [
-        {
-          "type": "fix",
-          "sha": "3ec901e2cb45859adfbe914bc0385e6cdf2f2e9a",
-          "message": "Remove vulnerable dependency `uuid`",
-          "issues": [
-            "8120"
-          ],
-          "scope": "deps"
-        }
-      ],
-      "version": "11.2.3",
-      "language": "JAVASCRIPT",
-      "artifactName": "@google-cloud/logging",
-      "id": "25bab115-ea4f-4ff2-a7e0-5aa0384c1b95",
-      "createTime": "2026-06-16T00:07:06.794Z"
-    },
     {
       "changes": [
         {
@@ -3843,31 +3860,6 @@
       "id": "0e843685-81b0-45a4-bfb4-b3288ba4ef68",
       "createTime": "2026-05-11T14:38:47.292Z"
     },
-    {
-      "changes": [
-        {
-          "type": "fix",
-          "sha": "9fd76eff87b1cf02db6205f141449b31e8ab7d8f",
-          "message": "Bump all node submodules",
-          "issues": [
-            "8178"
-          ]
-        },
-        {
-          "type": "fix",
-          "sha": "c1a03fe604662091be283055c7d34052c64d6334",
-          "message": "Change the copyright year for files in the packages folder",
-          "issues": [
-            "8109"
-          ]
-        }
-      ],
-      "version": "10.1.3",
-      "language": "JAVASCRIPT",
-      "artifactName": "teeny-request",
-      "id": "7eaf6e35-1029-484c-8687-a7f7a30907f5",
-      "createTime": "2026-05-06T21:35:07.497Z"
-    },
     {
       "changes": [
         {
@@ -3954,6 +3946,31 @@
       "id": "a5e4c00a-94e9-42fb-96e8-8b7c29c58d82",
       "createTime": "2026-05-06T21:35:08.503Z"
     },
+    {
+      "changes": [
+        {
+          "type": "fix",
+          "sha": "9fd76eff87b1cf02db6205f141449b31e8ab7d8f",
+          "message": "Bump all node submodules",
+          "issues": [
+            "8178"
+          ]
+        },
+        {
+          "type": "fix",
+          "sha": "c1a03fe604662091be283055c7d34052c64d6334",
+          "message": "Change the copyright year for files in the packages folder",
+          "issues": [
+            "8109"
+          ]
+        }
+      ],
+      "version": "10.1.3",
+      "language": "JAVASCRIPT",
+      "artifactName": "teeny-request",
+      "id": "7eaf6e35-1029-484c-8687-a7f7a30907f5",
+      "createTime": "2026-05-06T21:35:07.497Z"
+    },
     {
       "changes": [
         {
@@ -11642,32 +11659,6 @@
       "id": "d844e87e-e75b-4513-950c-1fe8eeda719d",
       "createTime": "2026-04-14T23:04:28.521Z"
     },
-    {
-      "changes": [
-        {
-          "type": "fix",
-          "sha": "7fad2f6e2ef0b16ab87a92ae471136fe6f2655ef",
-          "message": "Unblock the releases on Node Bigquery",
-          "issues": [
-            "7946"
-          ]
-        },
-        {
-          "type": "feat",
-          "sha": "e500d4077065529fbdee4be565434a34b6643c09",
-          "message": "Allow the user to ask for skipping parsing rows when querying",
-          "issues": [
-            "7848"
-          ],
-          "scope": "bigquery"
-        }
-      ],
-      "version": "8.3.0",
-      "language": "JAVASCRIPT",
-      "artifactName": "@google-cloud/bigquery",
-      "id": "95c0b159-cdba-4b27-9c19-e99b2535868f",
-      "createTime": "2026-04-09T15:40:48.837Z"
-    },
     {
       "changes": [
         {
@@ -12105,6 +12096,32 @@
       "id": "660fa930-cd94-405a-b4ea-3008b640c4f4",
       "createTime": "2026-04-13T20:17:24.690Z"
     },
+    {
+      "changes": [
+        {
+          "type": "fix",
+          "sha": "7fad2f6e2ef0b16ab87a92ae471136fe6f2655ef",
+          "message": "Unblock the releases on Node Bigquery",
+          "issues": [
+            "7946"
+          ]
+        },
+        {
+          "type": "feat",
+          "sha": "e500d4077065529fbdee4be565434a34b6643c09",
+          "message": "Allow the user to ask for skipping parsing rows when querying",
+          "issues": [
+            "7848"
+          ],
+          "scope": "bigquery"
+        }
+      ],
+      "version": "8.3.0",
+      "language": "JAVASCRIPT",
+      "artifactName": "@google-cloud/bigquery",
+      "id": "95c0b159-cdba-4b27-9c19-e99b2535868f",
+      "createTime": "2026-04-09T15:40:48.837Z"
+    },
     {
       "changes": [
         {
@@ -81641,4 +81658,4 @@
     }
   ],
   "updateTime": "2026-07-09T20:21:31.292Z"
-}
\ No newline at end of file
+}
diff --git a/core/dev-packages/jsdoc-fresh/package.json b/core/dev-packages/jsdoc-fresh/package.json
index debe22a6bbbe..d05e1446bb30 100644
--- a/core/dev-packages/jsdoc-fresh/package.json
+++ b/core/dev-packages/jsdoc-fresh/package.json
@@ -31,6 +31,6 @@
     "@jsdoc/salty": "^0.2.5"
   },
   "engines": {
-    "node": ">=14.0.0"
+    "node": ">=18"
   }
 }
diff --git a/core/dev-packages/jsdoc-region-tag/package.json b/core/dev-packages/jsdoc-region-tag/package.json
index 032438e217a1..6cfac11af553 100644
--- a/core/dev-packages/jsdoc-region-tag/package.json
+++ b/core/dev-packages/jsdoc-region-tag/package.json
@@ -43,6 +43,6 @@
     "typescript": "^5.1.6"
   },
   "engines": {
-    "node": ">=14.0.0"
+    "node": ">=18"
   }
 }
diff --git a/core/generator/gapic-generator-typescript/baselines-esm/duplicate_methods_test-esm/package.json b/core/generator/gapic-generator-typescript/baselines-esm/duplicate_methods_test-esm/package.json
index fbd75f4e44e3..0ab004c938fe 100644
--- a/core/generator/gapic-generator-typescript/baselines-esm/duplicate_methods_test-esm/package.json
+++ b/core/generator/gapic-generator-typescript/baselines-esm/duplicate_methods_test-esm/package.json
@@ -98,6 +98,6 @@
     "webpack-cli": "^6.0.1"
   },
   "engines": {
-    "node": ">=v18"
+    "node": ">=18"
   }
 }
diff --git a/core/generator/gapic-generator-typescript/test-fixtures/google-cloud-speech-nodejs/speech-v1-nodejs/package.json b/core/generator/gapic-generator-typescript/test-fixtures/google-cloud-speech-nodejs/speech-v1-nodejs/package.json
index 0e2a0b9dc391..17735878a68c 100644
--- a/core/generator/gapic-generator-typescript/test-fixtures/google-cloud-speech-nodejs/speech-v1-nodejs/package.json
+++ b/core/generator/gapic-generator-typescript/test-fixtures/google-cloud-speech-nodejs/speech-v1-nodejs/package.json
@@ -54,6 +54,6 @@
     "sinon": "^21.0.0"
   },
   "engines": {
-    "node": ">=v18"
+    "node": ">=18"
   }
 }
diff --git a/core/generator/gapic-generator-typescript/test-fixtures/google-cloud-speech-nodejs/speech-v1p1beta1-nodejs/package.json b/core/generator/gapic-generator-typescript/test-fixtures/google-cloud-speech-nodejs/speech-v1p1beta1-nodejs/package.json
index 0e2a0b9dc391..17735878a68c 100644
--- a/core/generator/gapic-generator-typescript/test-fixtures/google-cloud-speech-nodejs/speech-v1p1beta1-nodejs/package.json
+++ b/core/generator/gapic-generator-typescript/test-fixtures/google-cloud-speech-nodejs/speech-v1p1beta1-nodejs/package.json
@@ -54,6 +54,6 @@
     "sinon": "^21.0.0"
   },
   "engines": {
-    "node": ">=v18"
+    "node": ">=18"
   }
 }
diff --git a/core/generator/gapic-generator-typescript/test-fixtures/google-cloud-speech-nodejs/speech-v2-nodejs/package.json b/core/generator/gapic-generator-typescript/test-fixtures/google-cloud-speech-nodejs/speech-v2-nodejs/package.json
index 70f69f94570a..e29fbd0b8ecf 100644
--- a/core/generator/gapic-generator-typescript/test-fixtures/google-cloud-speech-nodejs/speech-v2-nodejs/package.json
+++ b/core/generator/gapic-generator-typescript/test-fixtures/google-cloud-speech-nodejs/speech-v2-nodejs/package.json
@@ -53,6 +53,6 @@
     "sinon": "^21.0.0"
   },
   "engines": {
-    "node": ">=v18"
+    "node": ">=18"
   }
 }
diff --git a/core/generator/gapic-generator-typescript/test-fixtures/google-cloud-speech/package.json b/core/generator/gapic-generator-typescript/test-fixtures/google-cloud-speech/package.json
index 0e2a0b9dc391..17735878a68c 100644
--- a/core/generator/gapic-generator-typescript/test-fixtures/google-cloud-speech/package.json
+++ b/core/generator/gapic-generator-typescript/test-fixtures/google-cloud-speech/package.json
@@ -54,6 +54,6 @@
     "sinon": "^21.0.0"
   },
   "engines": {
-    "node": ">=v18"
+    "node": ">=18"
   }
 }
diff --git a/core/generator/gapic-generator-typescript/test-fixtures/google-cloud-tasks-nodejs/tasks-v2-nodejs/package.json b/core/generator/gapic-generator-typescript/test-fixtures/google-cloud-tasks-nodejs/tasks-v2-nodejs/package.json
index b875aaba9101..79d090885145 100644
--- a/core/generator/gapic-generator-typescript/test-fixtures/google-cloud-tasks-nodejs/tasks-v2-nodejs/package.json
+++ b/core/generator/gapic-generator-typescript/test-fixtures/google-cloud-tasks-nodejs/tasks-v2-nodejs/package.json
@@ -98,6 +98,6 @@
     "webpack-cli": "^6.0.1"
   },
   "engines": {
-    "node": ">=v18"
+    "node": ">=18"
   }
 }
diff --git a/core/generator/gapic-generator-typescript/test-fixtures/google-cloud-tasks-nodejs/tasks-v2beta2-nodejs/package.json b/core/generator/gapic-generator-typescript/test-fixtures/google-cloud-tasks-nodejs/tasks-v2beta2-nodejs/package.json
index b875aaba9101..79d090885145 100644
--- a/core/generator/gapic-generator-typescript/test-fixtures/google-cloud-tasks-nodejs/tasks-v2beta2-nodejs/package.json
+++ b/core/generator/gapic-generator-typescript/test-fixtures/google-cloud-tasks-nodejs/tasks-v2beta2-nodejs/package.json
@@ -98,6 +98,6 @@
     "webpack-cli": "^6.0.1"
   },
   "engines": {
-    "node": ">=v18"
+    "node": ">=18"
   }
 }
diff --git a/core/packages/gapic-node-processing/templates/bootstrap-templates/package.json b/core/packages/gapic-node-processing/templates/bootstrap-templates/package.json
index 0e95adccde09..b4f734f77a57 100644
--- a/core/packages/gapic-node-processing/templates/bootstrap-templates/package.json
+++ b/core/packages/gapic-node-processing/templates/bootstrap-templates/package.json
@@ -62,6 +62,6 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   }
 }
diff --git a/core/packages/gapic-node-processing/test/fixtures/combined-library/google-analytics-data-nodejs/analytics-data-v1alpha-nodejs/package.json b/core/packages/gapic-node-processing/test/fixtures/combined-library/google-analytics-data-nodejs/analytics-data-v1alpha-nodejs/package.json
index a60aee8e2247..fde4a73f5409 100644
--- a/core/packages/gapic-node-processing/test/fixtures/combined-library/google-analytics-data-nodejs/analytics-data-v1alpha-nodejs/package.json
+++ b/core/packages/gapic-node-processing/test/fixtures/combined-library/google-analytics-data-nodejs/analytics-data-v1alpha-nodejs/package.json
@@ -53,6 +53,6 @@
     "sinon": "^21.0.0"
   },
   "engines": {
-    "node": ">=v18"
+    "node": ">=18"
   }
 }
diff --git a/core/packages/gapic-node-processing/test/fixtures/combined-library/google-analytics-data-nodejs/google-analytics-data-v1beta-nodejs/package.json b/core/packages/gapic-node-processing/test/fixtures/combined-library/google-analytics-data-nodejs/google-analytics-data-v1beta-nodejs/package.json
index d2e1726b8605..ef3d12cbb81f 100644
--- a/core/packages/gapic-node-processing/test/fixtures/combined-library/google-analytics-data-nodejs/google-analytics-data-v1beta-nodejs/package.json
+++ b/core/packages/gapic-node-processing/test/fixtures/combined-library/google-analytics-data-nodejs/google-analytics-data-v1beta-nodejs/package.json
@@ -53,6 +53,6 @@
     "sinon": "^21.0.0"
   },
   "engines": {
-    "node": ">=v18"
+    "node": ">=18"
   }
 }
diff --git a/core/packages/gapic-node-processing/test/fixtures/combined-library/google-analytics-data/package.json b/core/packages/gapic-node-processing/test/fixtures/combined-library/google-analytics-data/package.json
index a60aee8e2247..fde4a73f5409 100644
--- a/core/packages/gapic-node-processing/test/fixtures/combined-library/google-analytics-data/package.json
+++ b/core/packages/gapic-node-processing/test/fixtures/combined-library/google-analytics-data/package.json
@@ -53,6 +53,6 @@
     "sinon": "^21.0.0"
   },
   "engines": {
-    "node": ">=v18"
+    "node": ">=18"
   }
 }
diff --git a/core/packages/gapic-node-processing/test/fixtures/combined-library/google-cloud-speech-nodejs/speech-v1-nodejs/package.json b/core/packages/gapic-node-processing/test/fixtures/combined-library/google-cloud-speech-nodejs/speech-v1-nodejs/package.json
index 2eb237195cb6..6f5b8ace815e 100644
--- a/core/packages/gapic-node-processing/test/fixtures/combined-library/google-cloud-speech-nodejs/speech-v1-nodejs/package.json
+++ b/core/packages/gapic-node-processing/test/fixtures/combined-library/google-cloud-speech-nodejs/speech-v1-nodejs/package.json
@@ -54,6 +54,6 @@
     "sinon": "^21.0.0"
   },
   "engines": {
-    "node": ">=v18"
+    "node": ">=18"
   }
 }
diff --git a/core/packages/gapic-node-processing/test/fixtures/combined-library/google-cloud-speech-nodejs/speech-v1p1beta1-nodejs/package.json b/core/packages/gapic-node-processing/test/fixtures/combined-library/google-cloud-speech-nodejs/speech-v1p1beta1-nodejs/package.json
index 2eb237195cb6..6f5b8ace815e 100644
--- a/core/packages/gapic-node-processing/test/fixtures/combined-library/google-cloud-speech-nodejs/speech-v1p1beta1-nodejs/package.json
+++ b/core/packages/gapic-node-processing/test/fixtures/combined-library/google-cloud-speech-nodejs/speech-v1p1beta1-nodejs/package.json
@@ -54,6 +54,6 @@
     "sinon": "^21.0.0"
   },
   "engines": {
-    "node": ">=v18"
+    "node": ">=18"
   }
 }
diff --git a/core/packages/gapic-node-processing/test/fixtures/combined-library/google-cloud-speech-nodejs/speech-v2-nodejs/package.json b/core/packages/gapic-node-processing/test/fixtures/combined-library/google-cloud-speech-nodejs/speech-v2-nodejs/package.json
index a3df9c6b5f7f..edc31ae482a9 100644
--- a/core/packages/gapic-node-processing/test/fixtures/combined-library/google-cloud-speech-nodejs/speech-v2-nodejs/package.json
+++ b/core/packages/gapic-node-processing/test/fixtures/combined-library/google-cloud-speech-nodejs/speech-v2-nodejs/package.json
@@ -53,6 +53,6 @@
     "sinon": "^21.0.0"
   },
   "engines": {
-    "node": ">=v18"
+    "node": ">=18"
   }
 }
diff --git a/core/packages/gapic-node-processing/test/fixtures/combined-library/google-cloud-speech/package.json b/core/packages/gapic-node-processing/test/fixtures/combined-library/google-cloud-speech/package.json
index 2eb237195cb6..6f5b8ace815e 100644
--- a/core/packages/gapic-node-processing/test/fixtures/combined-library/google-cloud-speech/package.json
+++ b/core/packages/gapic-node-processing/test/fixtures/combined-library/google-cloud-speech/package.json
@@ -54,6 +54,6 @@
     "sinon": "^21.0.0"
   },
   "engines": {
-    "node": ">=v18"
+    "node": ">=18"
   }
 }
diff --git a/core/packages/gapic-node-processing/test/fixtures/combined-library/google-cloud-tasks-nodejs/tasks-v2-nodejs/package.json b/core/packages/gapic-node-processing/test/fixtures/combined-library/google-cloud-tasks-nodejs/tasks-v2-nodejs/package.json
index 158c84b08fdf..b5dfa2eb48e9 100644
--- a/core/packages/gapic-node-processing/test/fixtures/combined-library/google-cloud-tasks-nodejs/tasks-v2-nodejs/package.json
+++ b/core/packages/gapic-node-processing/test/fixtures/combined-library/google-cloud-tasks-nodejs/tasks-v2-nodejs/package.json
@@ -98,6 +98,6 @@
     "webpack-cli": "^6.0.1"
   },
   "engines": {
-    "node": ">=v18"
+    "node": ">=18"
   }
 }
diff --git a/core/packages/gapic-node-processing/test/fixtures/combined-library/google-cloud-tasks-nodejs/tasks-v2beta2-nodejs/package.json b/core/packages/gapic-node-processing/test/fixtures/combined-library/google-cloud-tasks-nodejs/tasks-v2beta2-nodejs/package.json
index 9cf22ac855a0..791dbda73481 100644
--- a/core/packages/gapic-node-processing/test/fixtures/combined-library/google-cloud-tasks-nodejs/tasks-v2beta2-nodejs/package.json
+++ b/core/packages/gapic-node-processing/test/fixtures/combined-library/google-cloud-tasks-nodejs/tasks-v2beta2-nodejs/package.json
@@ -99,6 +99,6 @@
     "webpack-cli": "^6.0.1"
   },
   "engines": {
-    "node": ">=v18"
+    "node": ">=18"
   }
 }
diff --git a/core/packages/gapic-node-processing/test/fixtures/combined-library/google-cloud-tasks/package.json b/core/packages/gapic-node-processing/test/fixtures/combined-library/google-cloud-tasks/package.json
index 158c84b08fdf..b5dfa2eb48e9 100644
--- a/core/packages/gapic-node-processing/test/fixtures/combined-library/google-cloud-tasks/package.json
+++ b/core/packages/gapic-node-processing/test/fixtures/combined-library/google-cloud-tasks/package.json
@@ -98,6 +98,6 @@
     "webpack-cli": "^6.0.1"
   },
   "engines": {
-    "node": ">=v18"
+    "node": ">=18"
   }
 }
diff --git a/core/packages/gax/test/showcase-echo-client/package.json b/core/packages/gax/test/showcase-echo-client/package.json
index dc7ae8980ca8..188a0a3f618c 100644
--- a/core/packages/gax/test/showcase-echo-client/package.json
+++ b/core/packages/gax/test/showcase-echo-client/package.json
@@ -40,6 +40,6 @@
     "typescript": "5.8.3"
   },
   "engines": {
-    "node": ">=v18"
+    "node": ">=18"
   }
 }
diff --git a/core/packages/gax/test/test-application/package.json b/core/packages/gax/test/test-application/package.json
index 6af31e90dde6..da3cc3913348 100644
--- a/core/packages/gax/test/test-application/package.json
+++ b/core/packages/gax/test/test-application/package.json
@@ -32,6 +32,6 @@
     "showcase-server": "./showcase-server.tgz"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   }
 }
diff --git a/core/packages/logging-utils/package.json b/core/packages/logging-utils/package.json
index 146cd34912ad..8be48936a077 100644
--- a/core/packages/logging-utils/package.json
+++ b/core/packages/logging-utils/package.json
@@ -42,6 +42,6 @@
   },
   "homepage": "https://github.com/googleapis/google-cloud-node/tree/main/core/packages/logging-utils",
   "engines": {
-    "node": ">=14"
+    "node": ">=18"
   }
 }
diff --git a/core/packages/logging-utils/samples/package.json b/core/packages/logging-utils/samples/package.json
index 95c507482a1a..aa61452e4095 100644
--- a/core/packages/logging-utils/samples/package.json
+++ b/core/packages/logging-utils/samples/package.json
@@ -23,7 +23,7 @@
     "directory": "core/packages/logging-utils/samples"
   },
   "engines": {
-    "node": ">=14"
+    "node": ">=18"
   },
   "dependencies": {
     "google-logging-utils": "^1.1.4"
diff --git a/core/packages/nodejs-googleapis-common/package.json b/core/packages/nodejs-googleapis-common/package.json
index 569057fdf258..33cb48d71ca7 100644
--- a/core/packages/nodejs-googleapis-common/package.json
+++ b/core/packages/nodejs-googleapis-common/package.json
@@ -87,7 +87,7 @@
     "webpack-cli": "^6.0.1"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "homepage": "https://github.com/googleapis/google-cloud-node/tree/main/core/packages/nodejs-googleapis-common"
 }
diff --git a/core/packages/nodejs-googleapis-common/samples/package.json b/core/packages/nodejs-googleapis-common/samples/package.json
index 2c3221b395e8..475bec0913a4 100644
--- a/core/packages/nodejs-googleapis-common/samples/package.json
+++ b/core/packages/nodejs-googleapis-common/samples/package.json
@@ -3,7 +3,7 @@
   "license": "MIT",
   "author": "Google LLC",
   "engines": {
-    "node": ">=12.0.0"
+    "node": ">=18"
   },
   "files": [
     "*.js",
diff --git a/core/projectify/CHANGELOG.md b/core/projectify/CHANGELOG.md
index f78e2176ce41..079304bfea41 100644
--- a/core/projectify/CHANGELOG.md
+++ b/core/projectify/CHANGELOG.md
@@ -4,6 +4,13 @@
 [npm history][1]
 
 [1]: https://www.npmjs.com/package/@google-cloud/projectify?activeTab=versions
+## [5.1.0](https://github.com/googleapis/google-cloud-node/compare/projectify-v5.0.1...projectify-v5.1.0) (2026-06-24)
+
+
+### Features
+
+* Update API sources and regenerate ([#8672](https://github.com/googleapis/google-cloud-node/issues/8672)) ([3391fd2](https://github.com/googleapis/google-cloud-node/commit/3391fd27d1c15e051293207a07c6db00e760d370))
+
 ## [5.0.1](https://github.com/googleapis/google-cloud-node/compare/projectify-v5.0.0...projectify-v5.0.1) (2026-05-11)
 
 
diff --git a/core/projectify/package.json b/core/projectify/package.json
index b3da71844659..2dc004810e19 100644
--- a/core/projectify/package.json
+++ b/core/projectify/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@google-cloud/projectify",
-  "version": "5.0.1",
+  "version": "5.1.0",
   "description": "A simple utility for replacing the projectid token in objects.",
   "main": "build/src/index.js",
   "types": "build/src/index.d.ts",
diff --git a/handwritten/firestore/pipelines/package.json b/handwritten/firestore/pipelines/package.json
index 1515c5eb2a2b..651f38980370 100644
--- a/handwritten/firestore/pipelines/package.json
+++ b/handwritten/firestore/pipelines/package.json
@@ -5,6 +5,6 @@
   "typings": "../types/pipelines.d.ts",
   "private": true,
   "engines": {
-    "node": ">=14.0.0"
+    "node": ">=18"
   }
 }
diff --git a/handwritten/logging-bunyan/package.json b/handwritten/logging-bunyan/package.json
index 857ee3747f5c..06a9a7d6b4c1 100644
--- a/handwritten/logging-bunyan/package.json
+++ b/handwritten/logging-bunyan/package.json
@@ -5,7 +5,7 @@
   "license": "Apache-2.0",
   "author": "Google Inc.",
   "engines": {
-    "node": ">=14.0.0"
+    "node": ">=18"
   },
   "repository": {
     "type": "git",
diff --git a/handwritten/logging/package.json b/handwritten/logging/package.json
index af7bb2f03b08..f12e63f7294d 100644
--- a/handwritten/logging/package.json
+++ b/handwritten/logging/package.json
@@ -105,7 +105,7 @@
     "webpack-cli": "^5.0.0"
   },
   "engines": {
-    "node": ">=14.0.0"
+    "node": ">=18"
   },
   "homepage": "https://github.com/googleapis/google-cloud-node/tree/main/handwritten/logging"
 }
diff --git a/handwritten/pubsub/src/message-stream.ts b/handwritten/pubsub/src/message-stream.ts
index 35c8868b3528..f1f2102f4d9a 100644
--- a/handwritten/pubsub/src/message-stream.ts
+++ b/handwritten/pubsub/src/message-stream.ts
@@ -26,6 +26,7 @@ import {defaultOptions} from './default-options';
 import {Duration} from './temporal';
 import {ExponentialRetry} from './exponential-retry';
 import {DebugMessage} from './debug';
+import {randomUUID} from 'crypto';
 import {logs as baseLogs, LoggingFunction} from './logs';
 
 /**
@@ -77,6 +78,8 @@ const DEFAULT_OPTIONS: MessageStreamOptions = {
   retryMaxBackoff: Duration.from({seconds: 60}),
 };
 
+const SERVER_KEEP_ALIVE_INTERVAL = 15000;
+
 interface StreamState {
   highWaterMark: number;
 }
@@ -139,6 +142,9 @@ export class ChannelError extends Error implements grpc.ServiceError {
 interface StreamTracked {
   stream?: PullStream;
   receivedStatus?: boolean;
+  lastPingTime?: number;
+  lastResponseTime?: number;
+  aliveTimer?: NodeJS.Timeout;
 }
 
 /**
@@ -200,7 +206,7 @@ export class MessageStream extends PassThrough {
    */
   setStreamAckDeadline(deadline: Duration) {
     const request: StreamingPullRequest = {
-      streamAckDeadlineSeconds: deadline.totalOf('second'),
+      streamAckDeadlineSeconds: deadline.seconds,
     };
 
     for (const tracker of this._streams) {
@@ -227,6 +233,9 @@ export class MessageStream extends PassThrough {
 
     for (let i = 0; i < this._streams.length; i++) {
       const tracker = this._streams[i];
+      if (tracker.aliveTimer) {
+        this._clearAliveTimer(tracker);
+      }
       if (tracker.stream) {
         this._removeStream(i, 'overall message stream destroyed', 'n/a');
       }
@@ -253,6 +262,7 @@ export class MessageStream extends PassThrough {
     const tracker = this._streams[index];
     tracker.stream = stream;
     tracker.receivedStatus = false;
+    tracker.lastResponseTime = Date.now();
 
     stream
       .on('error', err => this._onError(index, err))
@@ -263,11 +273,46 @@ export class MessageStream extends PassThrough {
   private _onData(index: number, data: PullResponse): void {
     // Mark this stream as alive again. (reset backoff)
     const tracker = this._streams[index];
+    tracker.lastResponseTime = Date.now();
     this._retrier.reset(tracker);
 
     this.emit('data', data);
   }
 
+  private _clearAliveTimer(tracker: StreamTracked): void {
+    if (tracker.aliveTimer) {
+      clearTimeout(tracker.aliveTimer);
+      tracker.aliveTimer = undefined;
+    }
+  }
+
+  private _checkAliveTimer(index: number): void {
+    const tracker = this._streams[index];
+    const lastPingTime = tracker.lastPingTime ?? -1;
+    const lastResponseTime = tracker.lastResponseTime ?? 0;
+    if (lastPingTime <= lastResponseTime) {
+      return;
+    }
+
+    this._removeStream(
+      index,
+      'no keepalive response from server within 15 seconds',
+      'will be retried',
+    );
+    this._retrier.retryLater(tracker, () =>
+      this._fillOne(index, undefined, 'retry'),
+    );
+  }
+
+  private _setAliveTimer(index: number): void {
+    const tracker = this._streams[index];
+    this._clearAliveTimer(tracker);
+
+    tracker.aliveTimer = setTimeout(() => {
+      this._checkAliveTimer(index);
+    }, SERVER_KEEP_ALIVE_INTERVAL);
+  }
+
   /**
    * Attempts to create and cache the desired number of StreamingPull requests.
    * gRPC does not supply a way to confirm that a stream is connected, so our
@@ -347,6 +392,8 @@ export class MessageStream extends PassThrough {
       maxOutstandingBytes: this._subscriber.useLegacyFlowControl
         ? 0
         : this._subscriber.maxBytes,
+      clientId: randomUUID().toString(),
+      protocolVersion: 1, // Set protocol version to enable server keepalives
     };
     const otherArgs = {
       headers: {
@@ -386,12 +433,14 @@ export class MessageStream extends PassThrough {
       'sending keepAlive to %i streams',
       this._streams.length,
     );
-    this._streams.forEach(tracker => {
+    this._streams.forEach((tracker, index) => {
       // It's possible that a status event fires off (signaling the rpc being
       // closed) but the stream hasn't drained yet. Writing to such a stream will
       // result in a `write after end` error.
       if (!tracker.receivedStatus && tracker.stream) {
         tracker.stream.write({});
+        tracker.lastPingTime = Date.now();
+        this._setAliveTimer(index);
       }
     });
   }
@@ -511,6 +560,9 @@ export class MessageStream extends PassThrough {
     whatNext?: string,
   ): void {
     const tracker = this._streams[index];
+    if (tracker.aliveTimer) {
+      this._clearAliveTimer(tracker);
+    }
     if (tracker.stream) {
       logs.subscriberStreams.info(
         'closing stream %i; why: %s; next: %s',
diff --git a/handwritten/pubsub/test/message-stream.ts b/handwritten/pubsub/test/message-stream.ts
index 1df52f8db20a..d5be750bbcb0 100644
--- a/handwritten/pubsub/test/message-stream.ts
+++ b/handwritten/pubsub/test/message-stream.ts
@@ -523,6 +523,24 @@ describe('MessageStream', () => {
     });
 
     describe('keeping streams alive', () => {
+      it('should set protocolVersion in the initial packet', async () => {
+        // The special handling for messageStream and the spy below are
+        // so that we can test the initial message.
+        messageStream.destroy();
+
+        const spy = sandbox.spy(FakeGrpcStream.prototype, 'write');
+        const ms = new MessageStream(subscriber);
+        await ms.start();
+
+        assert.strictEqual(spy.callCount, 5);
+        const {args} = spy.firstCall;
+        const request = args[0] as any;
+
+        assert.strictEqual(String(request.protocolVersion), '1');
+
+        ms.destroy();
+      });
+
       it('should keep the streams alive', () => {
         const frequency = 30000;
         const stubs = client.streams.map(stream => {
@@ -536,6 +554,48 @@ describe('MessageStream', () => {
           assert.deepStrictEqual(data, {});
         });
       });
+
+      it('should close stream if no data received for 15 seconds after keepalive', async () => {
+        messageStream.destroy();
+        client.streams.length = 0;
+
+        const ms = new MessageStream(subscriber);
+        await ms.start();
+
+        const cancelSpies = client.streams.map(s => sandbox.spy(s, 'cancel'));
+
+        // wait for keepalive ping (30s) + 15s timeout
+        sandbox.clock.tick(45000);
+
+        cancelSpies.forEach(spy => {
+          assert.strictEqual(spy.callCount, 1);
+        });
+
+        ms.destroy();
+      });
+
+      it('should not close stream if data received within 15 seconds of keepalive', async () => {
+        messageStream.destroy();
+
+        const ms = new MessageStream(subscriber);
+        await ms.start();
+
+        const cancelSpies = client.streams.map(s => sandbox.spy(s, 'cancel'));
+
+        sandbox.clock.tick(30000);
+
+        // Simulating data prevents timeout
+        client.streams.forEach(s => s.emit('data', {}));
+
+        // Wait for 15s timeout to pass
+        sandbox.clock.tick(15000);
+
+        cancelSpies.forEach(spy => {
+          assert.strictEqual(spy.callCount, 0);
+        });
+
+        ms.destroy();
+      });
     });
 
     it('should allow updating the ack deadline', async () => {
diff --git a/handwritten/storage/package.json b/handwritten/storage/package.json
index 3ea3b0fb2644..e38124dfa44f 100644
--- a/handwritten/storage/package.json
+++ b/handwritten/storage/package.json
@@ -5,7 +5,7 @@
   "license": "Apache-2.0",
   "author": "Google Inc.",
   "engines": {
-    "node": ">=14"
+    "node": ">=18"
   },
   "repository": {
     "type": "git",
diff --git a/packages/google-ads-datamanager/package.json b/packages/google-ads-datamanager/package.json
index 0889d4cdcbe3..347b409e628a 100644
--- a/packages/google-ads-datamanager/package.json
+++ b/packages/google-ads-datamanager/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-apps-events-subscriptions/package.json b/packages/google-apps-events-subscriptions/package.json
index 1b7d378e494e..103e879078fe 100644
--- a/packages/google-apps-events-subscriptions/package.json
+++ b/packages/google-apps-events-subscriptions/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-apps-events-subscriptions/samples/package.json b/packages/google-apps-events-subscriptions/samples/package.json
index 8232a8bc4fe5..f90da3778780 100644
--- a/packages/google-apps-events-subscriptions/samples/package.json
+++ b/packages/google-apps-events-subscriptions/samples/package.json
@@ -4,7 +4,7 @@
   "license": "Apache-2.0",
   "author": "Google LLC",
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "files": [
     "*.js"
diff --git a/packages/google-cloud-agentregistry/package.json b/packages/google-cloud-agentregistry/package.json
index 8eedd11a18eb..ebf7d86dd371 100644
--- a/packages/google-cloud-agentregistry/package.json
+++ b/packages/google-cloud-agentregistry/package.json
@@ -59,6 +59,6 @@
     "sinon": "^20.0.0"
   },
   "engines": {
-    "node": ">=v18"
+    "node": ">=18"
   }
 }
diff --git a/packages/google-cloud-apiregistry/package.json b/packages/google-cloud-apiregistry/package.json
index ca671ce3e2b0..25864eda894f 100644
--- a/packages/google-cloud-apiregistry/package.json
+++ b/packages/google-cloud-apiregistry/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-cloud-appoptimize/package.json b/packages/google-cloud-appoptimize/package.json
index f0c3d0a39afa..9e81987989e4 100644
--- a/packages/google-cloud-appoptimize/package.json
+++ b/packages/google-cloud-appoptimize/package.json
@@ -62,6 +62,6 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   }
 }
diff --git a/packages/google-cloud-auditmanager/package.json b/packages/google-cloud-auditmanager/package.json
index 5958c29fed65..081ade57719e 100644
--- a/packages/google-cloud-auditmanager/package.json
+++ b/packages/google-cloud-auditmanager/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-cloud-capacityplanner/package.json b/packages/google-cloud-capacityplanner/package.json
index 165e5f7cf78b..d512a58e8c7f 100644
--- a/packages/google-cloud-capacityplanner/package.json
+++ b/packages/google-cloud-capacityplanner/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-cloud-ces/package.json b/packages/google-cloud-ces/package.json
index 7bc58bb22123..364484f4e20c 100644
--- a/packages/google-cloud-ces/package.json
+++ b/packages/google-cloud-ces/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-cloud-chronicle/package.json b/packages/google-cloud-chronicle/package.json
index 3d62ee48fd2d..a009bfbc50a5 100644
--- a/packages/google-cloud-chronicle/package.json
+++ b/packages/google-cloud-chronicle/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-cloud-chronicle/samples/package.json b/packages/google-cloud-chronicle/samples/package.json
index 1b07bf08ad6d..1f287a52f6a7 100644
--- a/packages/google-cloud-chronicle/samples/package.json
+++ b/packages/google-cloud-chronicle/samples/package.json
@@ -4,7 +4,7 @@
   "license": "Apache-2.0",
   "author": "Google LLC",
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "files": [
     "*.js"
diff --git a/packages/google-cloud-cloudsecuritycompliance/package.json b/packages/google-cloud-cloudsecuritycompliance/package.json
index 885f031067a1..520d02f01cac 100644
--- a/packages/google-cloud-cloudsecuritycompliance/package.json
+++ b/packages/google-cloud-cloudsecuritycompliance/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-cloud-configdelivery/package.json b/packages/google-cloud-configdelivery/package.json
index a7248d8d7725..2fc382cb608d 100644
--- a/packages/google-cloud-configdelivery/package.json
+++ b/packages/google-cloud-configdelivery/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-cloud-databasecenter/package.json b/packages/google-cloud-databasecenter/package.json
index 588c79694b64..c6bc360895b5 100644
--- a/packages/google-cloud-databasecenter/package.json
+++ b/packages/google-cloud-databasecenter/package.json
@@ -62,6 +62,6 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   }
 }
diff --git a/packages/google-cloud-datacatalog-lineage-configmanagement/package.json b/packages/google-cloud-datacatalog-lineage-configmanagement/package.json
index 24c111bb0181..5396230c05bc 100644
--- a/packages/google-cloud-datacatalog-lineage-configmanagement/package.json
+++ b/packages/google-cloud-datacatalog-lineage-configmanagement/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-cloud-dataform/package.json b/packages/google-cloud-dataform/package.json
index 9216328f3153..c1ebdba23cf3 100644
--- a/packages/google-cloud-dataform/package.json
+++ b/packages/google-cloud-dataform/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-cloud-dataform/samples/package.json b/packages/google-cloud-dataform/samples/package.json
index 250238cffc02..27f81106212e 100644
--- a/packages/google-cloud-dataform/samples/package.json
+++ b/packages/google-cloud-dataform/samples/package.json
@@ -4,7 +4,7 @@
   "license": "Apache-2.0",
   "author": "Google LLC",
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "files": [
     "*.js"
diff --git a/packages/google-cloud-devicestreaming/package.json b/packages/google-cloud-devicestreaming/package.json
index 2e1ebdcade8f..ba059e7c3ea3 100644
--- a/packages/google-cloud-devicestreaming/package.json
+++ b/packages/google-cloud-devicestreaming/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-cloud-devicestreaming/samples/package.json b/packages/google-cloud-devicestreaming/samples/package.json
index f9a1972d903d..65eb7209e8fa 100644
--- a/packages/google-cloud-devicestreaming/samples/package.json
+++ b/packages/google-cloud-devicestreaming/samples/package.json
@@ -4,7 +4,7 @@
   "license": "Apache-2.0",
   "author": "Google LLC",
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "files": [
     "*.js"
diff --git a/packages/google-cloud-financialservices/package.json b/packages/google-cloud-financialservices/package.json
index 6c7227e49865..e756b144224c 100644
--- a/packages/google-cloud-financialservices/package.json
+++ b/packages/google-cloud-financialservices/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-cloud-financialservices/samples/package.json b/packages/google-cloud-financialservices/samples/package.json
index d434b7b85a0a..a342a476b2c6 100644
--- a/packages/google-cloud-financialservices/samples/package.json
+++ b/packages/google-cloud-financialservices/samples/package.json
@@ -4,7 +4,7 @@
   "license": "Apache-2.0",
   "author": "Google LLC",
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "files": [
     "*.js"
diff --git a/packages/google-cloud-geminidataanalytics/package.json b/packages/google-cloud-geminidataanalytics/package.json
index 111bab913ec3..f429da9135a0 100644
--- a/packages/google-cloud-geminidataanalytics/package.json
+++ b/packages/google-cloud-geminidataanalytics/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-cloud-gkerecommender/package.json b/packages/google-cloud-gkerecommender/package.json
index 1f9783fab845..572f71274378 100644
--- a/packages/google-cloud-gkerecommender/package.json
+++ b/packages/google-cloud-gkerecommender/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-cloud-hypercomputecluster/package.json b/packages/google-cloud-hypercomputecluster/package.json
index 21ce0db5c4c9..1acd2dc0fa55 100644
--- a/packages/google-cloud-hypercomputecluster/package.json
+++ b/packages/google-cloud-hypercomputecluster/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-cloud-licensemanager/package.json b/packages/google-cloud-licensemanager/package.json
index 07ebad7cee55..bb117334d6d1 100644
--- a/packages/google-cloud-licensemanager/package.json
+++ b/packages/google-cloud-licensemanager/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-cloud-locationfinder/package.json b/packages/google-cloud-locationfinder/package.json
index 2320be2870dc..1e9cfc2b17b9 100644
--- a/packages/google-cloud-locationfinder/package.json
+++ b/packages/google-cloud-locationfinder/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-cloud-lustre/package.json b/packages/google-cloud-lustre/package.json
index 30a6a0823a35..bebad8ca3336 100644
--- a/packages/google-cloud-lustre/package.json
+++ b/packages/google-cloud-lustre/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-cloud-lustre/samples/package.json b/packages/google-cloud-lustre/samples/package.json
index 584035e22d9e..4e6432b3adb7 100644
--- a/packages/google-cloud-lustre/samples/package.json
+++ b/packages/google-cloud-lustre/samples/package.json
@@ -4,7 +4,7 @@
   "license": "Apache-2.0",
   "author": "Google LLC",
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "files": [
     "*.js"
diff --git a/packages/google-cloud-maintenance-api/package.json b/packages/google-cloud-maintenance-api/package.json
index 6bdac79e0686..b2ecba5dbd62 100644
--- a/packages/google-cloud-maintenance-api/package.json
+++ b/packages/google-cloud-maintenance-api/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-cloud-maintenance-api/samples/package.json b/packages/google-cloud-maintenance-api/samples/package.json
index ab55778f7e7e..726177127224 100644
--- a/packages/google-cloud-maintenance-api/samples/package.json
+++ b/packages/google-cloud-maintenance-api/samples/package.json
@@ -4,7 +4,7 @@
   "license": "Apache-2.0",
   "author": "Google LLC",
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "files": [
     "*.js"
diff --git a/packages/google-cloud-managedkafka-schemaregistry/package.json b/packages/google-cloud-managedkafka-schemaregistry/package.json
index 79908677fbbb..401ec65ce74f 100644
--- a/packages/google-cloud-managedkafka-schemaregistry/package.json
+++ b/packages/google-cloud-managedkafka-schemaregistry/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-cloud-modelarmor/package.json b/packages/google-cloud-modelarmor/package.json
index 3027e4b0e9e4..f5a3624c72e6 100644
--- a/packages/google-cloud-modelarmor/package.json
+++ b/packages/google-cloud-modelarmor/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.1.6"
   },
   "engines": {
-    "node": ">=14.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-cloud-modelarmor/samples/package.json b/packages/google-cloud-modelarmor/samples/package.json
index 1d94a9a2b9a9..6515821270ab 100644
--- a/packages/google-cloud-modelarmor/samples/package.json
+++ b/packages/google-cloud-modelarmor/samples/package.json
@@ -4,7 +4,7 @@
   "license": "Apache-2.0",
   "author": "Google LLC",
   "engines": {
-    "node": ">=14.0.0"
+    "node": ">=18"
   },
   "files": [
     "*.js"
diff --git a/packages/google-cloud-pubsub-api/package.json b/packages/google-cloud-pubsub-api/package.json
index 9c544e8d9286..5a8bf19a804e 100644
--- a/packages/google-cloud-pubsub-api/package.json
+++ b/packages/google-cloud-pubsub-api/package.json
@@ -61,6 +61,6 @@
     "typescript": "5.8.3"
   },
   "engines": {
-    "node": ">=v18"
+    "node": ">=18"
   }
 }
diff --git a/packages/google-cloud-saasplatform-saasservicemgmt/package.json b/packages/google-cloud-saasplatform-saasservicemgmt/package.json
index 823e72f398f6..5dceade00f6d 100644
--- a/packages/google-cloud-saasplatform-saasservicemgmt/package.json
+++ b/packages/google-cloud-saasplatform-saasservicemgmt/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-cloud-storagebatchoperations/package.json b/packages/google-cloud-storagebatchoperations/package.json
index 5602bb04b2d7..317e960e06a3 100644
--- a/packages/google-cloud-storagebatchoperations/package.json
+++ b/packages/google-cloud-storagebatchoperations/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-cloud-storagebatchoperations/samples/package.json b/packages/google-cloud-storagebatchoperations/samples/package.json
index 16d4fa35c1eb..78a4853a1156 100644
--- a/packages/google-cloud-storagebatchoperations/samples/package.json
+++ b/packages/google-cloud-storagebatchoperations/samples/package.json
@@ -4,7 +4,7 @@
   "license": "Apache-2.0",
   "author": "Google LLC",
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "files": [
     "*.js"
diff --git a/packages/google-cloud-vectorsearch/package.json b/packages/google-cloud-vectorsearch/package.json
index 0b3d29ae7739..d5107023cf6c 100644
--- a/packages/google-cloud-vectorsearch/package.json
+++ b/packages/google-cloud-vectorsearch/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-cloud-visionai/package.json b/packages/google-cloud-visionai/package.json
index ee14d89d7359..ebd738429ede 100644
--- a/packages/google-cloud-visionai/package.json
+++ b/packages/google-cloud-visionai/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-cloud-workloadmanager/package.json b/packages/google-cloud-workloadmanager/package.json
index a95516941223..873b2d57a7f7 100644
--- a/packages/google-cloud-workloadmanager/package.json
+++ b/packages/google-cloud-workloadmanager/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-devicesandservices-health/package.json b/packages/google-devicesandservices-health/package.json
index a0e13fcd6f1d..a91271610bbf 100644
--- a/packages/google-devicesandservices-health/package.json
+++ b/packages/google-devicesandservices-health/package.json
@@ -62,6 +62,6 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   }
 }
diff --git a/packages/google-maps-geocode/package.json b/packages/google-maps-geocode/package.json
index 511edc6acd59..bfb23a10fa58 100644
--- a/packages/google-maps-geocode/package.json
+++ b/packages/google-maps-geocode/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-maps-mapmanagement/package.json b/packages/google-maps-mapmanagement/package.json
index 9b453fb8847f..0e1286af20d9 100644
--- a/packages/google-maps-mapmanagement/package.json
+++ b/packages/google-maps-mapmanagement/package.json
@@ -65,6 +65,6 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   }
 }
diff --git a/packages/google-maps-navconnect/package.json b/packages/google-maps-navconnect/package.json
index a1788212d959..eafcd9d16763 100644
--- a/packages/google-maps-navconnect/package.json
+++ b/packages/google-maps-navconnect/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-shopping-merchant-issueresolution/package.json b/packages/google-shopping-merchant-issueresolution/package.json
index 72a9c3afbc93..4b9b49caef07 100644
--- a/packages/google-shopping-merchant-issueresolution/package.json
+++ b/packages/google-shopping-merchant-issueresolution/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-shopping-merchant-issueresolution/samples/package.json b/packages/google-shopping-merchant-issueresolution/samples/package.json
index e78e406ef404..9141b62bdf95 100644
--- a/packages/google-shopping-merchant-issueresolution/samples/package.json
+++ b/packages/google-shopping-merchant-issueresolution/samples/package.json
@@ -4,7 +4,7 @@
   "license": "Apache-2.0",
   "author": "Google LLC",
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "files": [
     "*.js"
diff --git a/packages/google-shopping-merchant-ordertracking/package.json b/packages/google-shopping-merchant-ordertracking/package.json
index 26cc85493b32..9eca06d5af59 100644
--- a/packages/google-shopping-merchant-ordertracking/package.json
+++ b/packages/google-shopping-merchant-ordertracking/package.json
@@ -62,7 +62,7 @@
     "typescript": "^5.8.2"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "overrides": {
     "@sinonjs/fake-timers": "15.2.1"
diff --git a/packages/google-shopping-merchant-ordertracking/samples/package.json b/packages/google-shopping-merchant-ordertracking/samples/package.json
index 904f4a495c38..0d5b249f9fa9 100644
--- a/packages/google-shopping-merchant-ordertracking/samples/package.json
+++ b/packages/google-shopping-merchant-ordertracking/samples/package.json
@@ -4,7 +4,7 @@
   "license": "Apache-2.0",
   "author": "Google LLC",
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18"
   },
   "files": [
     "*.js"