diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index a0bccd57247b..36a880a9224b 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -95,7 +95,7 @@
   "google-cloud-app_hub+FILLER": "0.0.0",
   "google-cloud-app_hub-v1": "1.7.0",
   "google-cloud-app_hub-v1+FILLER": "0.0.0",
-  "google-cloud-app_optimize": "0.2.0",
+  "google-cloud-app_optimize": "0.3.0",
   "google-cloud-app_optimize+FILLER": "0.0.0",
   "google-cloud-app_optimize-v1beta": "0.2.0",
   "google-cloud-app_optimize-v1beta+FILLER": "0.0.0",
diff --git a/google-cloud-app_optimize/CHANGELOG.md b/google-cloud-app_optimize/CHANGELOG.md
index c414ca8046d6..fd0a9cb6703a 100644
--- a/google-cloud-app_optimize/CHANGELOG.md
+++ b/google-cloud-app_optimize/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+### 0.3.0 (2026-07-16)
+
+#### Features
+
+* Release GA version 1.0.0 ([#34791](https://github.com/googleapis/google-cloud-ruby/issues/34791)) 
+
 ### 0.2.0 (2026-06-11)
 
 #### Features
@@ -13,4 +19,3 @@
 * Initial generation of google-cloud-app_optimize ([#33849](https://github.com/googleapis/google-cloud-ruby/issues/33849)) 
 
 ## Release History
-
diff --git a/google-cloud-app_optimize/lib/google/cloud/app_optimize/version.rb b/google-cloud-app_optimize/lib/google/cloud/app_optimize/version.rb
index 67ce30bfd920..53473523299f 100644
--- a/google-cloud-app_optimize/lib/google/cloud/app_optimize/version.rb
+++ b/google-cloud-app_optimize/lib/google/cloud/app_optimize/version.rb
@@ -20,7 +20,7 @@
 module Google
   module Cloud
     module AppOptimize
-      VERSION = "0.2.0"
+      VERSION = "0.3.0"
     end
   end
 end