diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 4e2d8214d15..521f2e3494b 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -188,7 +188,7 @@
   "packages/google-cloud-privatecatalog": "5.2.0",
   "packages/google-cloud-privilegedaccessmanager": "0.9.0",
   "packages/google-cloud-productregistry": "2.2.0",
-  "packages/google-cloud-pubsub-api": "0.8.0",
+  "packages/google-cloud-pubsub-api": "0.8.1",
   "packages/google-cloud-rapidmigrationassessment": "3.2.0",
   "packages/google-cloud-recaptchaenterprise": "7.3.0",
   "packages/google-cloud-recommender": "8.2.0",
@@ -238,7 +238,7 @@
   "packages/google-cloud-workstations": "3.2.0",
   "packages/google-container": "7.3.0",
   "packages/google-dataflow": "5.2.0",
-  "packages/google-developer-knowledge": "0.10.0",
+  "packages/google-developer-knowledge": "0.10.1",
   "packages/google-devicesandservices-health": "0.9.0",
   "packages/google-devtools-artifactregistry": "5.2.0",
   "packages/google-devtools-cloudbuild": "6.3.0",
diff --git a/changelog.json b/changelog.json
index 6495a014165..54bf5c53c7f 100644
--- a/changelog.json
+++ b/changelog.json
@@ -1,6 +1,40 @@
 {
   "repository": "googleapis/google-cloud-node",
   "entries": [
+    {
+      "changes": [
+        {
+          "type": "fix",
+          "sha": "3fb024d6f3613c923b0b8dd8bc34b3990017c2c3",
+          "message": "Remove compile-protos from prepare script in pubsub-api and developer-knowledge",
+          "issues": [
+            "9666"
+          ]
+        }
+      ],
+      "version": "0.10.1",
+      "language": "JAVASCRIPT",
+      "artifactName": "@google/developer-knowledge",
+      "id": "dda240c0-cc4d-41f2-86a5-63868f740702",
+      "createTime": "2026-10-20T01:30:57.175Z"
+    },
+    {
+      "changes": [
+        {
+          "type": "fix",
+          "sha": "3fb024d6f3613c923b0b8dd8bc34b3990017c2c3",
+          "message": "Remove compile-protos from prepare script in pubsub-api and developer-knowledge",
+          "issues": [
+            "9666"
+          ]
+        }
+      ],
+      "version": "0.8.1",
+      "language": "JAVASCRIPT",
+      "artifactName": "@google-cloud/pubsub-api",
+      "id": "e0f233ee-6635-49d7-8038-5ddd495aea80",
+      "createTime": "2026-10-20T01:30:57.122Z"
+    },
     {
       "changes": [
         {
@@ -105882,5 +105916,5 @@
       "createTime": "2023-01-28T04:18:24.718Z"
     }
   ],
-  "updateTime": "2026-10-19T19:49:06.448Z"
+  "updateTime": "2026-10-20T01:30:57.175Z"
 }
\ No newline at end of file
diff --git a/librarian.yaml b/librarian.yaml
index 83190a09405..119ee717559 100644
--- a/librarian.yaml
+++ b/librarian.yaml
@@ -1381,7 +1381,7 @@ libraries:
       - path: google/cloud/productregistry/v1
     copyright_year: "2026"
   - name: google-cloud-pubsub-api
-    version: 0.8.0
+    version: 0.8.1
     apis:
       - path: google/pubsub/v1
     nodejs:
@@ -1864,7 +1864,7 @@ libraries:
       default_version: v1beta3
       package_name: '@google-cloud/dataflow'
   - name: google-developer-knowledge
-    version: 0.10.0
+    version: 0.10.1
     apis:
       - path: google/developers/knowledge/v1
     copyright_year: "2026"
diff --git a/packages/google-cloud-pubsub-api/CHANGELOG.md b/packages/google-cloud-pubsub-api/CHANGELOG.md
index f88da29a1c5..f1bccd70d9c 100644
--- a/packages/google-cloud-pubsub-api/CHANGELOG.md
+++ b/packages/google-cloud-pubsub-api/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.8.1](https://github.com/googleapis/google-cloud-node/compare/pubsub-api-v0.8.0...pubsub-api-v0.8.1) (2026-10-20)
+
+
+### Bug Fixes
+
+* Remove compile-protos from prepare script in pubsub-api and developer-knowledge ([#9666](https://github.com/googleapis/google-cloud-node/issues/9666)) ([3fb024d](https://github.com/googleapis/google-cloud-node/commit/3fb024d6f3613c923b0b8dd8bc34b3990017c2c3))
+
 ## [0.8.0](https://github.com/googleapis/google-cloud-node/compare/pubsub-api-v0.7.0...pubsub-api-v0.8.0) (2026-10-19)
 
 
diff --git a/packages/google-cloud-pubsub-api/package.json b/packages/google-cloud-pubsub-api/package.json
index 8dfa9210168..b64ba838bd3 100644
--- a/packages/google-cloud-pubsub-api/package.json
+++ b/packages/google-cloud-pubsub-api/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@google-cloud/pubsub-api",
-  "version": "0.8.0",
+  "version": "0.8.1",
   "description": "Pubsub client for Node.js",
   "repository": {
     "type": "git",
diff --git a/packages/google-developer-knowledge/CHANGELOG.md b/packages/google-developer-knowledge/CHANGELOG.md
index d402f6a1fea..e8afc5273bf 100644
--- a/packages/google-developer-knowledge/CHANGELOG.md
+++ b/packages/google-developer-knowledge/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.10.1](https://github.com/googleapis/google-cloud-node/compare/developer-knowledge-v0.10.0...developer-knowledge-v0.10.1) (2026-10-20)
+
+
+### Bug Fixes
+
+* Remove compile-protos from prepare script in pubsub-api and developer-knowledge ([#9666](https://github.com/googleapis/google-cloud-node/issues/9666)) ([3fb024d](https://github.com/googleapis/google-cloud-node/commit/3fb024d6f3613c923b0b8dd8bc34b3990017c2c3))
+
 ## [0.10.0](https://github.com/googleapis/google-cloud-node/compare/developer-knowledge-v0.9.0...developer-knowledge-v0.10.0) (2026-10-19)
 
 
diff --git a/packages/google-developer-knowledge/package.json b/packages/google-developer-knowledge/package.json
index ec6c4bd0925..bc66c5c243a 100644
--- a/packages/google-developer-knowledge/package.json
+++ b/packages/google-developer-knowledge/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@google/developer-knowledge",
-  "version": "0.10.0",
+  "version": "0.10.1",
   "description": "Knowledge client for Node.js",
   "repository": {
     "type": "git",