diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index ec6a0cd0593c..5e7865ad0b7d 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 091864a242f7..7f6071e4c25d 100644
--- a/changelog.json
+++ b/changelog.json
@@ -1,6 +1,23 @@
 {
   "repository": "googleapis/google-cloud-node",
   "entries": [
+    {
+      "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": [
         {
@@ -81614,4 +81631,4 @@
     }
   ],
   "updateTime": "2026-07-08T17:10:18.122Z"
-}
\ No newline at end of file
+}
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/release-please-config.json b/release-please-config.json
index 67f50aa0ffd4..24f8219e7013 100644
--- a/release-please-config.json
+++ b/release-please-config.json
@@ -145,7 +145,9 @@
     "packages/google-cloud-privatecatalog": {},
     "packages/google-cloud-privilegedaccessmanager": {},
     "packages/google-cloud-productregistry": {},
-    "packages/google-cloud-pubsub-api": {"component": "google-cloud-pubsub-api"},
+    "packages/google-cloud-pubsub-api": {
+      "component": "google-cloud-pubsub-api"
+    },
     "packages/google-cloud-rapidmigrationassessment": {},
     "packages/google-cloud-recaptchaenterprise": {},
     "packages/google-cloud-recommender": {},
@@ -243,4 +245,4 @@
   ],
   "release-type": "node-librarian",
   "separate-pull-requests": false
-}
\ No newline at end of file
+}