diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index c21dcb9909e7..7fc3e653c94f 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -29,7 +29,7 @@
   "google-cloud-access_approval+FILLER": "0.0.0",
   "google-cloud-access_approval-v1": "1.0.0",
   "google-cloud-access_approval-v1+FILLER": "0.0.0",
-  "google-cloud-advisory_notifications": "1.2.0",
+  "google-cloud-advisory_notifications": "1.2.1",
   "google-cloud-advisory_notifications+FILLER": "0.0.0",
   "google-cloud-advisory_notifications-v1": "0.10.0",
   "google-cloud-advisory_notifications-v1+FILLER": "0.0.0",
diff --git a/google-cloud-advisory_notifications/CHANGELOG.md b/google-cloud-advisory_notifications/CHANGELOG.md
index e4eb03ffb09f..7061a2a6a7a8 100644
--- a/google-cloud-advisory_notifications/CHANGELOG.md
+++ b/google-cloud-advisory_notifications/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+### 1.2.1 (2024-08-08)
+
+#### Documentation
+
+* Formatting updates ([#26623](https://github.com/googleapis/google-cloud-ruby/issues/26623)) 
+
 ### 1.2.0 (2024-02-26)
 
 #### Features
diff --git a/google-cloud-advisory_notifications/lib/google/cloud/advisory_notifications/version.rb b/google-cloud-advisory_notifications/lib/google/cloud/advisory_notifications/version.rb
index 433e294c3a83..c413d22615b0 100644
--- a/google-cloud-advisory_notifications/lib/google/cloud/advisory_notifications/version.rb
+++ b/google-cloud-advisory_notifications/lib/google/cloud/advisory_notifications/version.rb
@@ -20,7 +20,7 @@
 module Google
   module Cloud
     module AdvisoryNotifications
-      VERSION = "1.2.0"
+      VERSION = "1.2.1"
     end
   end
 end