diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index aa90e93bec20..4c4e997ee5d4 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -493,7 +493,7 @@
   "google-cloud-kms-inventory+FILLER": "0.0.0",
   "google-cloud-kms-inventory-v1": "0.20.0",
   "google-cloud-kms-inventory-v1+FILLER": "0.0.0",
-  "google-cloud-kms-v1": "1.12.0",
+  "google-cloud-kms-v1": "1.12.1",
   "google-cloud-kms-v1+FILLER": "0.0.0",
   "google-cloud-language": "2.1.0",
   "google-cloud-language+FILLER": "0.0.0",
diff --git a/google-cloud-kms-v1/CHANGELOG.md b/google-cloud-kms-v1/CHANGELOG.md
index 1aac1544d9de..a5277fc9c81c 100644
--- a/google-cloud-kms-v1/CHANGELOG.md
+++ b/google-cloud-kms-v1/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Release History
 
+### 1.12.1 (2026-05-07)
+
+#### Documentation
+
+* Update the comment for duration value `unrefreshed_duration_until_disable` to accurately reflect the system-defined duration ([#33875](https://github.com/googleapis/google-cloud-ruby/issues/33875)) 
+
 ### 1.12.0 (2026-04-15)
 
 #### Features
diff --git a/google-cloud-kms-v1/lib/google/cloud/kms/v1/version.rb b/google-cloud-kms-v1/lib/google/cloud/kms/v1/version.rb
index da554d200a03..86920e19364d 100644
--- a/google-cloud-kms-v1/lib/google/cloud/kms/v1/version.rb
+++ b/google-cloud-kms-v1/lib/google/cloud/kms/v1/version.rb
@@ -21,7 +21,7 @@ module Google
   module Cloud
     module Kms
       module V1
-        VERSION = "1.12.0"
+        VERSION = "1.12.1"
       end
     end
   end
diff --git a/google-cloud-kms-v1/snippets/snippet_metadata_google.cloud.kms.v1.json b/google-cloud-kms-v1/snippets/snippet_metadata_google.cloud.kms.v1.json
index bc9620c3d89c..859b14fe9a25 100644
--- a/google-cloud-kms-v1/snippets/snippet_metadata_google.cloud.kms.v1.json
+++ b/google-cloud-kms-v1/snippets/snippet_metadata_google.cloud.kms.v1.json
@@ -1,7 +1,7 @@
 {
   "client_library": {
     "name": "google-cloud-kms-v1",
-    "version": "1.12.0",
+    "version": "1.12.1",
     "language": "RUBY",
     "apis": [
       {