diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 78536250bcc4..001378a5abf2 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -427,7 +427,7 @@
   "google-cloud-functions-v2+FILLER": "0.0.0",
   "google-cloud-gdc_hardware_management": "0.2.2",
   "google-cloud-gdc_hardware_management+FILLER": "0.0.0",
-  "google-cloud-gdc_hardware_management-v1alpha": "0.12.1",
+  "google-cloud-gdc_hardware_management-v1alpha": "0.13.0",
   "google-cloud-gdc_hardware_management-v1alpha+FILLER": "0.0.0",
   "google-cloud-gemini_data_analytics": "0.1.1",
   "google-cloud-gemini_data_analytics+FILLER": "0.0.0",
diff --git a/google-cloud-gdc_hardware_management-v1alpha/CHANGELOG.md b/google-cloud-gdc_hardware_management-v1alpha/CHANGELOG.md
index af5f93a25330..eec378b3beb8 100644
--- a/google-cloud-gdc_hardware_management-v1alpha/CHANGELOG.md
+++ b/google-cloud-gdc_hardware_management-v1alpha/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+### 0.13.0 (2026-03-08)
+
+#### Features
+
+* Add `OFFLINE` state to Zone resources ([#32804](https://github.com/googleapis/google-cloud-ruby/issues/32804)) 
+
 ### 0.12.1 (2025-10-27)
 
 #### Documentation
diff --git a/google-cloud-gdc_hardware_management-v1alpha/lib/google/cloud/gdc_hardware_management/v1alpha/version.rb b/google-cloud-gdc_hardware_management-v1alpha/lib/google/cloud/gdc_hardware_management/v1alpha/version.rb
index 8455d80e3cb4..9500cff91f35 100644
--- a/google-cloud-gdc_hardware_management-v1alpha/lib/google/cloud/gdc_hardware_management/v1alpha/version.rb
+++ b/google-cloud-gdc_hardware_management-v1alpha/lib/google/cloud/gdc_hardware_management/v1alpha/version.rb
@@ -21,7 +21,7 @@ module Google
   module Cloud
     module GDCHardwareManagement
       module V1alpha
-        VERSION = "0.12.1"
+        VERSION = "0.13.0"
       end
     end
   end
diff --git a/google-cloud-gdc_hardware_management-v1alpha/snippets/snippet_metadata_google.cloud.gdchardwaremanagement.v1alpha.json b/google-cloud-gdc_hardware_management-v1alpha/snippets/snippet_metadata_google.cloud.gdchardwaremanagement.v1alpha.json
index 0edf14133051..e9e1d5112a6d 100644
--- a/google-cloud-gdc_hardware_management-v1alpha/snippets/snippet_metadata_google.cloud.gdchardwaremanagement.v1alpha.json
+++ b/google-cloud-gdc_hardware_management-v1alpha/snippets/snippet_metadata_google.cloud.gdchardwaremanagement.v1alpha.json
@@ -1,7 +1,7 @@
 {
   "client_library": {
     "name": "google-cloud-gdc_hardware_management-v1alpha",
-    "version": "0.12.1",
+    "version": "0.13.0",
     "language": "RUBY",
     "apis": [
       {