diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 8c8d4105d980..85e58c578df6 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -8,7 +8,7 @@
   "core/packages/gax": "5.0.7",
   "core/packages/gaxios": "7.1.5",
   "core/packages/gcp-metadata": "8.1.3",
-  "core/packages/google-auth-library-nodejs": "10.8.0",
+  "core/packages/google-auth-library-nodejs": "10.8.1",
   "core/packages/logging-utils": "1.1.4",
   "core/packages/nodejs-googleapis-common": "8.0.2",
   "core/packages/nodejs-proto-files": "5.0.2",
diff --git a/changelog.json b/changelog.json
index c623c273510b..f739e696600e 100644
--- a/changelog.json
+++ b/changelog.json
@@ -1,6 +1,23 @@
 {
   "repository": "googleapis/google-cloud-node",
   "entries": [
+    {
+      "changes": [
+        {
+          "type": "fix",
+          "sha": "4e4badf1a5c6fde28fa099fb184b02cf794d8dfd",
+          "message": "Strip trailing slashes from automatic GDCH audience",
+          "issues": [
+            "8692"
+          ]
+        }
+      ],
+      "version": "10.8.1",
+      "language": "JAVASCRIPT",
+      "artifactName": "google-auth-library",
+      "id": "1234fa56-56ae-4a3f-9f4c-3ede08d18b0e",
+      "createTime": "2026-06-23T14:18:08.208Z"
+    },
     {
       "changes": [
         {
@@ -80774,5 +80791,5 @@
       "createTime": "2023-01-28T04:18:24.718Z"
     }
   ],
-  "updateTime": "2026-06-18T00:26:09.772Z"
-}
+  "updateTime": "2026-06-23T14:18:08.208Z"
+}
\ No newline at end of file
diff --git a/core/packages/google-auth-library-nodejs/CHANGELOG.md b/core/packages/google-auth-library-nodejs/CHANGELOG.md
index 7e39a8e6e07b..bb93e21ceb30 100644
--- a/core/packages/google-auth-library-nodejs/CHANGELOG.md
+++ b/core/packages/google-auth-library-nodejs/CHANGELOG.md
@@ -5,6 +5,13 @@
 
 [1]: https://www.npmjs.com/package/google-auth-library?activeTab=versions
 
+## [10.8.1](https://github.com/googleapis/google-cloud-node/compare/google-auth-library-v10.8.0...google-auth-library-v10.8.1) (2026-06-23)
+
+
+### Bug Fixes
+
+* Strip trailing slashes from automatic GDCH audience ([#8692](https://github.com/googleapis/google-cloud-node/issues/8692)) ([4e4badf](https://github.com/googleapis/google-cloud-node/commit/4e4badf1a5c6fde28fa099fb184b02cf794d8dfd))
+
 ## [10.8.0](https://github.com/googleapis/google-cloud-node/compare/google-auth-library-v10.7.0...google-auth-library-v10.8.0) (2026-06-18)
 
 
diff --git a/core/packages/google-auth-library-nodejs/package.json b/core/packages/google-auth-library-nodejs/package.json
index 9da9829d5832..0dccd1de3491 100644
--- a/core/packages/google-auth-library-nodejs/package.json
+++ b/core/packages/google-auth-library-nodejs/package.json
@@ -1,6 +1,6 @@
 {
   "name": "google-auth-library",
-  "version": "10.8.0",
+  "version": "10.8.1",
   "author": "Google Inc.",
   "description": "Google APIs Authentication Client Library for Node.js",
   "engines": {
diff --git a/core/packages/google-auth-library-nodejs/samples/package.json b/core/packages/google-auth-library-nodejs/samples/package.json
index 2096833dd352..885fd51e304f 100644
--- a/core/packages/google-auth-library-nodejs/samples/package.json
+++ b/core/packages/google-auth-library-nodejs/samples/package.json
@@ -17,7 +17,7 @@
     "@google-cloud/storage": "^7.0.0",
     "@aws-sdk/credential-providers": "^3.58.0",
     "@googleapis/iam": "^34.0.0",
-    "google-auth-library": "^10.8.0",
+    "google-auth-library": "^10.8.1",
     "dotenv": "^17.0.0",
     "gaxios": "^7.0.0",
     "node-fetch": "^2.3.0",