diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 48aef931009..d40499fa628 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -36,7 +36,7 @@
   "handwritten/spanner": "8.10.0",
   "handwritten/storage": "7.21.0",
   "packages/google-ads-admanager": "0.9.0",
-  "packages/google-ads-datamanager": "0.6.0",
+  "packages/google-ads-datamanager": "1.0.0",
   "packages/google-ai-generativelanguage": "4.0.0",
   "packages/google-analytics-admin": "10.0.0",
   "packages/google-analytics-data": "7.0.0",
diff --git a/changelog.json b/changelog.json
index a9e0bf8919e..e6676679e32 100644
--- a/changelog.json
+++ b/changelog.json
@@ -1,6 +1,56 @@
 {
   "repository": "googleapis/google-cloud-node",
   "entries": [
+    {
+      "changes": [
+        {
+          "type": "feat",
+          "sha": "61ea9c807dfb3eda4ddd377da9a496d17ba48389",
+          "message": "Update API sources and regenerate",
+          "issues": [
+            "9104"
+          ]
+        },
+        {
+          "type": "feat",
+          "sha": "1ed703f36743d61fb302b42a6cee53c07034b2fe",
+          "message": "Upgrade minimum Node.js version to 22",
+          "issues": [
+            "9026"
+          ],
+          "breakingChangeNote": "upgrade minimum Node.js version to 22 ([#9026](https://github.com/googleapis/google-cloud-node/issues/9026))"
+        },
+        {
+          "type": "feat",
+          "sha": "3391fd27d1c15e051293207a07c6db00e760d370",
+          "message": "Update API sources and regenerate",
+          "issues": [
+            "8672"
+          ]
+        },
+        {
+          "type": "feat",
+          "sha": "f5b12cf10d9974c87e651e1182a5804030af8cdc",
+          "message": "[datamanager] add encrypted_user_id.proto and the EncryptedUserId resource",
+          "issues": [
+            "8378"
+          ]
+        },
+        {
+          "type": "feat",
+          "sha": "ecec52d9fa7e5a8557596f42407412b714c8bd3d",
+          "message": "[datamanager] add the coupon_codes field to CartData to track coupon redemptions for Google Ads and Google Analytics",
+          "issues": [
+            "8300"
+          ]
+        }
+      ],
+      "version": "1.0.0",
+      "language": "JAVASCRIPT",
+      "artifactName": "@google-ads/datamanager",
+      "id": "8165672b-c417-4d69-8c58-0513f4f07015",
+      "createTime": "2026-08-07T23:06:25.949Z"
+    },
     {
       "changes": [
         {
@@ -88789,5 +88839,5 @@
       "createTime": "2023-01-28T04:18:24.718Z"
     }
   ],
-  "updateTime": "2026-08-05T21:09:31.314Z"
+  "updateTime": "2026-08-07T23:06:25.949Z"
 }
\ No newline at end of file
diff --git a/packages/google-ads-datamanager/CHANGELOG.md b/packages/google-ads-datamanager/CHANGELOG.md
index 36710303892..3cb8392dade 100644
--- a/packages/google-ads-datamanager/CHANGELOG.md
+++ b/packages/google-ads-datamanager/CHANGELOG.md
@@ -1,5 +1,20 @@
 # Changelog
 
+## [1.0.0](https://github.com/googleapis/google-cloud-node/compare/google-ads-datamanager-v0.6.0...google-ads-datamanager-v1.0.0) (2026-08-07)
+
+
+### ⚠ BREAKING CHANGES
+
+* upgrade minimum Node.js version to 22 ([#9026](https://github.com/googleapis/google-cloud-node/issues/9026))
+
+### Features
+
+* [datamanager] add encrypted_user_id.proto and the EncryptedUserId resource ([#8378](https://github.com/googleapis/google-cloud-node/issues/8378)) ([f5b12cf](https://github.com/googleapis/google-cloud-node/commit/f5b12cf10d9974c87e651e1182a5804030af8cdc))
+* [datamanager] add the coupon_codes field to CartData to track coupon redemptions for Google Ads and Google Analytics ([#8300](https://github.com/googleapis/google-cloud-node/issues/8300)) ([ecec52d](https://github.com/googleapis/google-cloud-node/commit/ecec52d9fa7e5a8557596f42407412b714c8bd3d))
+* 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))
+* Update API sources and regenerate ([#9104](https://github.com/googleapis/google-cloud-node/issues/9104)) ([61ea9c8](https://github.com/googleapis/google-cloud-node/commit/61ea9c807dfb3eda4ddd377da9a496d17ba48389))
+* Upgrade minimum Node.js version to 22 ([#9026](https://github.com/googleapis/google-cloud-node/issues/9026)) ([1ed703f](https://github.com/googleapis/google-cloud-node/commit/1ed703f36743d61fb302b42a6cee53c07034b2fe))
+
 ## [0.6.0](https://github.com/googleapis/google-cloud-node/compare/datamanager-v0.5.0...datamanager-v0.6.0) (2026-08-04)
 
 
diff --git a/packages/google-ads-datamanager/package.json b/packages/google-ads-datamanager/package.json
index c3a45a23351..6ee12d6a505 100644
--- a/packages/google-ads-datamanager/package.json
+++ b/packages/google-ads-datamanager/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@google-ads/datamanager",
-  "version": "0.6.0",
+  "version": "1.0.0",
   "description": "Data Manager API client for Node.js",
   "repository": {
     "type": "git",