diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index d33523fb8f26..dfe48453868b 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -19,7 +19,7 @@
   "core/precise-date": "5.0.0",
   "core/projectify": "5.0.0",
   "core/promisify": "5.0.0",
-  "handwritten/bigquery": "8.3.0",
+  "handwritten/bigquery": "8.3.1",
   "handwritten/bigquery-storage": "5.1.0",
   "handwritten/bigtable": "6.5.0",
   "handwritten/cloud-profiler": "6.0.4",
diff --git a/changelog.json b/changelog.json
index 6e4300578aca..5ee56b82ae72 100644
--- a/changelog.json
+++ b/changelog.json
@@ -1,6 +1,48 @@
 {
   "repository": "googleapis/google-cloud-node",
   "entries": [
+    {
+      "changes": [
+        {
+          "type": "fix",
+          "sha": "9fd76eff87b1cf02db6205f141449b31e8ab7d8f",
+          "message": "Bump all node submodules",
+          "issues": [
+            "8178"
+          ]
+        },
+        {
+          "type": "fix",
+          "sha": "c1a03fe604662091be283055c7d34052c64d6334",
+          "message": "Change the copyright year for files in the packages folder",
+          "issues": [
+            "8109"
+          ]
+        },
+        {
+          "type": "fix",
+          "sha": "374167bd4c1b45c38112938df55e821fdeb82c97",
+          "message": "Pin @sinonjs/fake-timers to unblock build in bigquery",
+          "issues": [
+            "8121"
+          ]
+        },
+        {
+          "type": "fix",
+          "sha": "0948b354bab60bbae906b7e9f8996b5b35754361",
+          "message": "Run npm run types in correct directory in owlbot",
+          "issues": [
+            "8061"
+          ],
+          "scope": "bigquery"
+        }
+      ],
+      "version": "8.3.1",
+      "language": "JAVASCRIPT",
+      "artifactName": "@google-cloud/bigquery",
+      "id": "35583374-e688-461c-98dd-764dcdc6d731",
+      "createTime": "2026-05-06T21:35:07.896Z"
+    },
     {
       "changes": [
         {
@@ -77687,5 +77729,5 @@
       "createTime": "2023-01-28T04:18:24.718Z"
     }
   ],
-  "updateTime": "2026-05-06T18:07:28.494Z"
+  "updateTime": "2026-05-06T21:35:07.896Z"
 }
\ No newline at end of file
diff --git a/handwritten/bigquery/CHANGELOG.md b/handwritten/bigquery/CHANGELOG.md
index db7f5631ffb9..454ca98410ce 100644
--- a/handwritten/bigquery/CHANGELOG.md
+++ b/handwritten/bigquery/CHANGELOG.md
@@ -5,6 +5,16 @@
 
 [1]: https://www.npmjs.com/package/@google-cloud/bigquery?activeTab=versions
 
+## [8.3.1](https://github.com/googleapis/google-cloud-node/compare/bigquery-v8.3.0...bigquery-v8.3.1) (2026-05-06)
+
+
+### Bug Fixes
+
+* **bigquery:** Run npm run types in correct directory in owlbot ([#8061](https://github.com/googleapis/google-cloud-node/issues/8061)) ([0948b35](https://github.com/googleapis/google-cloud-node/commit/0948b354bab60bbae906b7e9f8996b5b35754361))
+* Bump all node submodules ([#8178](https://github.com/googleapis/google-cloud-node/issues/8178)) ([9fd76ef](https://github.com/googleapis/google-cloud-node/commit/9fd76eff87b1cf02db6205f141449b31e8ab7d8f))
+* Change the copyright year for files in the packages folder ([#8109](https://github.com/googleapis/google-cloud-node/issues/8109)) ([c1a03fe](https://github.com/googleapis/google-cloud-node/commit/c1a03fe604662091be283055c7d34052c64d6334))
+* Pin @sinonjs/fake-timers to unblock build in bigquery ([#8121](https://github.com/googleapis/google-cloud-node/issues/8121)) ([374167b](https://github.com/googleapis/google-cloud-node/commit/374167bd4c1b45c38112938df55e821fdeb82c97))
+
 ## [8.3.0](https://github.com/googleapis/google-cloud-node/compare/bigquery-v8.2.0...bigquery-v8.3.0) (2026-04-09)
 
 
diff --git a/handwritten/bigquery/package.json b/handwritten/bigquery/package.json
index 77969669cc58..5c9e8cdb29d3 100644
--- a/handwritten/bigquery/package.json
+++ b/handwritten/bigquery/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@google-cloud/bigquery",
   "description": "Google BigQuery Client Library for Node.js",
-  "version": "8.3.0",
+  "version": "8.3.1",
   "license": "Apache-2.0",
   "author": "Google LLC",
   "engines": {
diff --git a/handwritten/bigquery/src/types.d.ts b/handwritten/bigquery/src/types.d.ts
index f51a4e342011..0322dfbdee0f 100644
--- a/handwritten/bigquery/src/types.d.ts
+++ b/handwritten/bigquery/src/types.d.ts
@@ -13,7 +13,7 @@
 // limitations under the License.
 
 /**
- * Discovery Revision: 20260408
+ * Discovery Revision: 20260328
  */
 
 /**