diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 720689039357..e6422462653e 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -12,7 +12,7 @@
   "core/packages/logging-utils": "1.1.4",
   "core/packages/nodejs-googleapis-common": "8.0.2",
   "core/packages/nodejs-proto-files": "5.0.2",
-  "core/packages/proto3-json-serializer-nodejs": "3.0.5",
+  "core/packages/proto3-json-serializer-nodejs": "3.0.6",
   "core/packages/retry-request": "8.0.3",
   "core/packages/teeny-request": "10.1.3",
   "core/packages/tools": "1.1.0",
diff --git a/changelog.json b/changelog.json
index ca9fceecfdd0..d9f82f5fdca3 100644
--- a/changelog.json
+++ b/changelog.json
@@ -1,6 +1,23 @@
 {
   "repository": "googleapis/google-cloud-node",
   "entries": [
+    {
+      "changes": [
+        {
+          "type": "fix",
+          "sha": "368f18ecc361310e7bfb323ba0e7836186ea08d1",
+          "message": "Correct repository URLs in core package.json files",
+          "issues": [
+            "8722"
+          ]
+        }
+      ],
+      "version": "3.0.6",
+      "language": "JAVASCRIPT",
+      "artifactName": "proto3-json-serializer",
+      "id": "31222ab3-b4cb-4b25-a873-4851048fe0e9",
+      "createTime": "2026-07-23T15:09:01.211Z"
+    },
     {
       "changes": [
         {
@@ -82816,5 +82833,5 @@
       "createTime": "2023-01-28T04:18:24.718Z"
     }
   ],
-  "updateTime": "2026-07-23T06:10:36.364Z"
+  "updateTime": "2026-07-23T15:09:01.211Z"
 }
\ No newline at end of file
diff --git a/core/packages/proto3-json-serializer-nodejs/CHANGELOG.md b/core/packages/proto3-json-serializer-nodejs/CHANGELOG.md
index 6c971158a989..5ffb96f072b2 100644
--- a/core/packages/proto3-json-serializer-nodejs/CHANGELOG.md
+++ b/core/packages/proto3-json-serializer-nodejs/CHANGELOG.md
@@ -1,6 +1,13 @@
 # Changelog
 
 
+## [3.0.6](https://github.com/googleapis/google-cloud-node/compare/proto3-json-serializer-v3.0.5...proto3-json-serializer-v3.0.6) (2026-07-23)
+
+
+### Bug Fixes
+
+* Correct repository URLs in core package.json files ([#8722](https://github.com/googleapis/google-cloud-node/issues/8722)) ([368f18e](https://github.com/googleapis/google-cloud-node/commit/368f18ecc361310e7bfb323ba0e7836186ea08d1))
+
 ## [3.0.5](https://github.com/googleapis/google-cloud-node/compare/proto3-json-serializer-v3.0.4...proto3-json-serializer-v3.0.5) (2026-05-11)
 
 
diff --git a/core/packages/proto3-json-serializer-nodejs/package.json b/core/packages/proto3-json-serializer-nodejs/package.json
index 6676b2d14fce..d55b836858ff 100644
--- a/core/packages/proto3-json-serializer-nodejs/package.json
+++ b/core/packages/proto3-json-serializer-nodejs/package.json
@@ -1,6 +1,6 @@
 {
   "name": "proto3-json-serializer",
-  "version": "3.0.5",
+  "version": "3.0.6",
   "repository": {
     "type": "git",
     "directory": "core/packages/proto3-json-serializer-nodejs",
diff --git a/core/packages/proto3-json-serializer-nodejs/samples/package.json b/core/packages/proto3-json-serializer-nodejs/samples/package.json
index f93b91931456..24f7f6043a30 100644
--- a/core/packages/proto3-json-serializer-nodejs/samples/package.json
+++ b/core/packages/proto3-json-serializer-nodejs/samples/package.json
@@ -15,7 +15,7 @@
   ],
   "dependencies": {
     "google-proto-files": "^5.0.0",
-    "proto3-json-serializer": "^3.0.5",
+    "proto3-json-serializer": "^3.0.6",
     "protobufjs": "^7.0.0"
   },
   "devDependencies": {