diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 27cc0f3ecba2..ce8f68bea439 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -835,7 +835,7 @@
   "google-cloud-text_to_speech+FILLER": "0.0.0",
   "google-cloud-text_to_speech-v1": "1.16.0",
   "google-cloud-text_to_speech-v1+FILLER": "0.0.0",
-  "google-cloud-text_to_speech-v1beta1": "0.28.0",
+  "google-cloud-text_to_speech-v1beta1": "0.29.0",
   "google-cloud-text_to_speech-v1beta1+FILLER": "0.0.0",
   "google-cloud-tpu": "1.5.0",
   "google-cloud-tpu+FILLER": "0.0.0",
diff --git a/google-cloud-text_to_speech-v1beta1/CHANGELOG.md b/google-cloud-text_to_speech-v1beta1/CHANGELOG.md
index 946941c251f2..e18cbab82050 100644
--- a/google-cloud-text_to_speech-v1beta1/CHANGELOG.md
+++ b/google-cloud-text_to_speech-v1beta1/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Release History
 
+### 0.29.0 (2026-04-02)
+
+#### Features
+
+* Support safety settings for Gemini voices and deprecate `relax_safety_filters` ([#33464](https://github.com/googleapis/google-cloud-ruby/issues/33464)) 
+
 ### 0.28.0 (2026-03-19)
 
 #### Features
diff --git a/google-cloud-text_to_speech-v1beta1/lib/google/cloud/text_to_speech/v1beta1/version.rb b/google-cloud-text_to_speech-v1beta1/lib/google/cloud/text_to_speech/v1beta1/version.rb
index f942f57d277c..7b6ce361a023 100644
--- a/google-cloud-text_to_speech-v1beta1/lib/google/cloud/text_to_speech/v1beta1/version.rb
+++ b/google-cloud-text_to_speech-v1beta1/lib/google/cloud/text_to_speech/v1beta1/version.rb
@@ -21,7 +21,7 @@ module Google
   module Cloud
     module TextToSpeech
       module V1beta1
-        VERSION = "0.28.0"
+        VERSION = "0.29.0"
       end
     end
   end
diff --git a/google-cloud-text_to_speech-v1beta1/snippets/snippet_metadata_google.cloud.texttospeech.v1beta1.json b/google-cloud-text_to_speech-v1beta1/snippets/snippet_metadata_google.cloud.texttospeech.v1beta1.json
index 8d0a31c1bc1e..4c1293d69c3c 100644
--- a/google-cloud-text_to_speech-v1beta1/snippets/snippet_metadata_google.cloud.texttospeech.v1beta1.json
+++ b/google-cloud-text_to_speech-v1beta1/snippets/snippet_metadata_google.cloud.texttospeech.v1beta1.json
@@ -1,7 +1,7 @@
 {
   "client_library": {
     "name": "google-cloud-text_to_speech-v1beta1",
-    "version": "0.28.0",
+    "version": "0.29.0",
     "language": "RUBY",
     "apis": [
       {