diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index b29befd8b94c..e7921383d27f 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -717,7 +717,7 @@
   "google-cloud-secret_manager+FILLER": "0.0.0",
   "google-cloud-secret_manager-v1": "1.7.0",
   "google-cloud-secret_manager-v1+FILLER": "0.0.0",
-  "google-cloud-secret_manager-v1beta1": "0.20.0",
+  "google-cloud-secret_manager-v1beta1": "0.21.0",
   "google-cloud-secret_manager-v1beta1+FILLER": "0.0.0",
   "google-cloud-secret_manager-v1beta2": "0.7.1",
   "google-cloud-secret_manager-v1beta2+FILLER": "0.0.0",
diff --git a/google-cloud-secret_manager-v1beta1/CHANGELOG.md b/google-cloud-secret_manager-v1beta1/CHANGELOG.md
index 289b8779126a..88663cc96df7 100644
--- a/google-cloud-secret_manager-v1beta1/CHANGELOG.md
+++ b/google-cloud-secret_manager-v1beta1/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Release History
 
+### 0.21.0 (2026-04-11)
+
+#### Features
+
+* publish client batch config schema ([#33438](https://github.com/googleapis/google-cloud-ruby/issues/33438)) 
+#### Documentation
+
+* update SelectiveGapicGeneration usage doc ([#33481](https://github.com/googleapis/google-cloud-ruby/issues/33481)) 
+
 ### 0.20.0 (2026-03-19)
 
 #### Features
diff --git a/google-cloud-secret_manager-v1beta1/lib/google/cloud/secret_manager/v1beta1/version.rb b/google-cloud-secret_manager-v1beta1/lib/google/cloud/secret_manager/v1beta1/version.rb
index 7e566c9ad12b..bb23fe0f8b35 100644
--- a/google-cloud-secret_manager-v1beta1/lib/google/cloud/secret_manager/v1beta1/version.rb
+++ b/google-cloud-secret_manager-v1beta1/lib/google/cloud/secret_manager/v1beta1/version.rb
@@ -21,7 +21,7 @@ module Google
   module Cloud
     module SecretManager
       module V1beta1
-        VERSION = "0.20.0"
+        VERSION = "0.21.0"
       end
     end
   end
diff --git a/google-cloud-secret_manager-v1beta1/snippets/snippet_metadata_google.cloud.secrets.v1beta1.json b/google-cloud-secret_manager-v1beta1/snippets/snippet_metadata_google.cloud.secrets.v1beta1.json
index 998f0814eff6..f8c73a7a4ae6 100644
--- a/google-cloud-secret_manager-v1beta1/snippets/snippet_metadata_google.cloud.secrets.v1beta1.json
+++ b/google-cloud-secret_manager-v1beta1/snippets/snippet_metadata_google.cloud.secrets.v1beta1.json
@@ -1,7 +1,7 @@
 {
   "client_library": {
     "name": "google-cloud-secret_manager-v1beta1",
-    "version": "0.20.0",
+    "version": "0.21.0",
     "language": "RUBY",
     "apis": [
       {