diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 5c3965701b90..ed18ec0c9211 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -495,7 +495,7 @@
   "google-cloud-profiler-v2+FILLER": "0.0.0",
   "google-cloud-pubsub": "2.15.4",
   "google-cloud-pubsub+FILLER": "0.0.0",
-  "google-cloud-pubsub-v1": "0.18.0",
+  "google-cloud-pubsub-v1": "0.18.1",
   "google-cloud-pubsub-v1+FILLER": "0.0.0",
   "google-cloud-rapid_migration_assessment": "0.1.1",
   "google-cloud-rapid_migration_assessment+FILLER": "0.0.0",
diff --git a/google-cloud-pubsub-v1/CHANGELOG.md b/google-cloud-pubsub-v1/CHANGELOG.md
index 0558b7fbd342..5e901d874ed2 100644
--- a/google-cloud-pubsub-v1/CHANGELOG.md
+++ b/google-cloud-pubsub-v1/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Release History
 
+### 0.18.1 (2023-10-23)
+
+#### Documentation
+
+* Update some reference docs ([#23444](https://github.com/googleapis/google-cloud-ruby/issues/23444)) 
+
 ### 0.18.0 (2023-09-12)
 
 #### Features
diff --git a/google-cloud-pubsub-v1/lib/google/cloud/pubsub/v1/version.rb b/google-cloud-pubsub-v1/lib/google/cloud/pubsub/v1/version.rb
index 735c9f8b0adb..965f40bd6904 100644
--- a/google-cloud-pubsub-v1/lib/google/cloud/pubsub/v1/version.rb
+++ b/google-cloud-pubsub-v1/lib/google/cloud/pubsub/v1/version.rb
@@ -21,7 +21,7 @@ module Google
   module Cloud
     module PubSub
       module V1
-        VERSION = "0.18.0"
+        VERSION = "0.18.1"
       end
     end
   end