diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 37b2ba248951..1d317c26d0e8 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -20,7 +20,7 @@
   "core/projectify": "5.0.0",
   "core/promisify": "5.0.0",
   "handwritten/bigquery": "8.3.0",
-  "handwritten/bigquery-storage": "5.1.0",
+  "handwritten/bigquery-storage": "5.1.1",
   "handwritten/bigtable": "6.5.0",
   "handwritten/cloud-profiler": "6.0.4",
   "handwritten/datastore": "10.1.0",
diff --git a/changelog.json b/changelog.json
index fc518c4f4ee2..1b4dcc88b5a7 100644
--- a/changelog.json
+++ b/changelog.json
@@ -1,6 +1,23 @@
 {
   "repository": "googleapis/google-cloud-node",
   "entries": [
+    {
+      "changes": [
+        {
+          "type": "fix",
+          "sha": "778adb0d5f368448f99bf68dcbcf37c3a7394f5d",
+          "message": "Upgrade the protobufjs dependency for bigquery storage",
+          "issues": [
+            "8136"
+          ]
+        }
+      ],
+      "version": "5.1.1",
+      "language": "JAVASCRIPT",
+      "artifactName": "@google-cloud/bigquery-storage",
+      "id": "7471b59c-1ee2-477e-bb6f-4f7fe950bc11",
+      "createTime": "2026-05-05T21:43:20.738Z"
+    },
     {
       "changes": [
         {
@@ -77670,5 +77687,5 @@
       "createTime": "2023-01-28T04:18:24.718Z"
     }
   ],
-  "updateTime": "2026-05-01T17:22:33.483Z"
+  "updateTime": "2026-05-05T21:43:20.738Z"
 }
\ No newline at end of file
diff --git a/handwritten/bigquery-storage/CHANGELOG.md b/handwritten/bigquery-storage/CHANGELOG.md
index 5bf3dce2c6d4..4df613dfb337 100644
--- a/handwritten/bigquery-storage/CHANGELOG.md
+++ b/handwritten/bigquery-storage/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [5.1.1](https://github.com/googleapis/google-cloud-node/compare/bigquery-storage-v5.1.0...bigquery-storage-v5.1.1) (2026-05-05)
+
+
+### Bug Fixes
+
+* Upgrade the protobufjs dependency for bigquery storage ([#8136](https://github.com/googleapis/google-cloud-node/issues/8136)) ([778adb0](https://github.com/googleapis/google-cloud-node/commit/778adb0d5f368448f99bf68dcbcf37c3a7394f5d))
+
 ## [5.1.0](https://github.com/googleapis/nodejs-bigquery-storage/compare/v5.0.0...v5.1.0) (2025-06-06)
 
 
diff --git a/handwritten/bigquery-storage/package.json b/handwritten/bigquery-storage/package.json
index 4cff498f1ae9..ccadc8dcd4b9 100644
--- a/handwritten/bigquery-storage/package.json
+++ b/handwritten/bigquery-storage/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@google-cloud/bigquery-storage",
-  "version": "5.1.0",
+  "version": "5.1.1",
   "description": "Client for the BigQuery Storage API",
   "repository": {
     "type": "git",