diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 925bda9ac843..54e9f675e5ab 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -647,7 +647,7 @@
   "google-cloud-profiler+FILLER": "0.0.0",
   "google-cloud-profiler-v2": "1.4.1",
   "google-cloud-profiler-v2+FILLER": "0.0.0",
-  "google-cloud-pubsub": "3.0.2",
+  "google-cloud-pubsub": "3.0.3",
   "google-cloud-pubsub+FILLER": "0.0.0",
   "google-cloud-pubsub-v1": "1.14.1",
   "google-cloud-pubsub-v1+FILLER": "0.0.0",
diff --git a/google-cloud-pubsub/CHANGELOG.md b/google-cloud-pubsub/CHANGELOG.md
index db98b4ff2f50..2d8c4995d48f 100644
--- a/google-cloud-pubsub/CHANGELOG.md
+++ b/google-cloud-pubsub/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Release History
 
+### 3.0.3 (2025-11-04)
+
+#### Documentation
+
+* add warning about loading unvalidated credentials ([#32121](https://github.com/googleapis/google-cloud-ruby/issues/32121)) 
+
 ### 3.0.2 (2025-08-12)
 
 #### Bug Fixes
diff --git a/google-cloud-pubsub/lib/google/cloud/pubsub/version.rb b/google-cloud-pubsub/lib/google/cloud/pubsub/version.rb
index 8a941ad8ef9b..52bb17a9d307 100644
--- a/google-cloud-pubsub/lib/google/cloud/pubsub/version.rb
+++ b/google-cloud-pubsub/lib/google/cloud/pubsub/version.rb
@@ -16,7 +16,7 @@
 module Google
   module Cloud
     module PubSub
-      VERSION = "3.0.2".freeze
+      VERSION = "3.0.3".freeze
     end
 
     Pubsub = PubSub unless const_defined? :Pubsub