diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 0248044ac9d1..8abe09f5a766 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -465,7 +465,7 @@
   "google-cloud-profiler+FILLER": "0.0.0",
   "google-cloud-profiler-v2": "0.5.0",
   "google-cloud-profiler-v2+FILLER": "0.0.0",
-  "google-cloud-pubsub": "2.15.3",
+  "google-cloud-pubsub": "2.15.4",
   "google-cloud-pubsub+FILLER": "0.0.0",
   "google-cloud-pubsub-v1": "0.16.0",
   "google-cloud-pubsub-v1+FILLER": "0.0.0",
diff --git a/google-cloud-pubsub/CHANGELOG.md b/google-cloud-pubsub/CHANGELOG.md
index 590a40338c56..41f305e1000f 100644
--- a/google-cloud-pubsub/CHANGELOG.md
+++ b/google-cloud-pubsub/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Release History
 
+### 2.15.4 (2023-05-19)
+
+#### Documentation
+
+* Fixed broken links in authentication documentation ([#21619](https://github.com/googleapis/google-cloud-ruby/issues/21619)) 
+
 ### 2.15.4 (2023-05-18)
 
 #### Documentation