diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index efd37c31a7a8..f21fb6eabd1e 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -443,7 +443,7 @@
   "google-cloud-gdc_hardware_management+FILLER": "0.0.0",
   "google-cloud-gdc_hardware_management-v1alpha": "0.14.1",
   "google-cloud-gdc_hardware_management-v1alpha+FILLER": "0.0.0",
-  "google-cloud-gemini_data_analytics": "0.2.0",
+  "google-cloud-gemini_data_analytics": "0.3.0",
   "google-cloud-gemini_data_analytics+FILLER": "0.0.0",
   "google-cloud-gemini_data_analytics-v1": "0.1.0",
   "google-cloud-gemini_data_analytics-v1+FILLER": "0.0.0",
diff --git a/google-cloud-gemini_data_analytics/CHANGELOG.md b/google-cloud-gemini_data_analytics/CHANGELOG.md
index b1ab311f8ec2..9a63a9d06410 100644
--- a/google-cloud-gemini_data_analytics/CHANGELOG.md
+++ b/google-cloud-gemini_data_analytics/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Changelog
 
+### 0.3.0 (2026-06-07)
+
+### ⚠ BREAKING CHANGES
+
+* Changed proto3 optional flag of an existing field `value` in message `.google.cloud.geminidataanalytics.v1beta.LookerQuery` ([#34010](https://github.com/googleapis/google-cloud-ruby/issues/34010))
+
+#### Bug Fixes
+
+* Changed proto3 optional flag of an existing field `value` in message `.google.cloud.geminidataanalytics.v1beta.LookerQuery` ([#34010](https://github.com/googleapis/google-cloud-ruby/issues/34010)) 
+
 ### 0.2.0 (2026-03-19)
 
 #### Features
diff --git a/google-cloud-gemini_data_analytics/lib/google/cloud/gemini_data_analytics/version.rb b/google-cloud-gemini_data_analytics/lib/google/cloud/gemini_data_analytics/version.rb
index 6880c18f796a..a2d08bcdfc7d 100644
--- a/google-cloud-gemini_data_analytics/lib/google/cloud/gemini_data_analytics/version.rb
+++ b/google-cloud-gemini_data_analytics/lib/google/cloud/gemini_data_analytics/version.rb
@@ -20,7 +20,7 @@
 module Google
   module Cloud
     module GeminiDataAnalytics
-      VERSION = "0.2.0"
+      VERSION = "0.3.0"
     end
   end
 end