diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 78536250bcc4..170d381bea98 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1019,7 +1019,7 @@
   "google-shopping-merchant-promotions+FILLER": "0.0.0",
   "google-shopping-merchant-promotions-v1": "0.2.1",
   "google-shopping-merchant-promotions-v1+FILLER": "0.0.0",
-  "google-shopping-merchant-promotions-v1beta": "0.5.1",
+  "google-shopping-merchant-promotions-v1beta": "0.6.0",
   "google-shopping-merchant-promotions-v1beta+FILLER": "0.0.0",
   "google-shopping-merchant-quota": "0.2.2",
   "google-shopping-merchant-quota+FILLER": "0.0.0",
diff --git a/google-shopping-merchant-promotions-v1beta/CHANGELOG.md b/google-shopping-merchant-promotions-v1beta/CHANGELOG.md
index d330fded5a45..fadc7701315f 100644
--- a/google-shopping-merchant-promotions-v1beta/CHANGELOG.md
+++ b/google-shopping-merchant-promotions-v1beta/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+### 0.6.0 (2026-03-18)
+
+#### Features
+
+* upgrade protobuf from v25.7 to v31.0 ([#32822](https://github.com/googleapis/google-cloud-ruby/issues/32822)) 
+
 ### 0.5.1 (2025-10-27)
 
 #### Documentation
diff --git a/google-shopping-merchant-promotions-v1beta/lib/google/shopping/merchant/promotions/v1beta/version.rb b/google-shopping-merchant-promotions-v1beta/lib/google/shopping/merchant/promotions/v1beta/version.rb
index c9e8073c69f1..d7e07db843bd 100644
--- a/google-shopping-merchant-promotions-v1beta/lib/google/shopping/merchant/promotions/v1beta/version.rb
+++ b/google-shopping-merchant-promotions-v1beta/lib/google/shopping/merchant/promotions/v1beta/version.rb
@@ -22,7 +22,7 @@ module Shopping
     module Merchant
       module Promotions
         module V1beta
-          VERSION = "0.5.1"
+          VERSION = "0.6.0"
         end
       end
     end
diff --git a/google-shopping-merchant-promotions-v1beta/snippets/snippet_metadata_google.shopping.merchant.promotions.v1beta.json b/google-shopping-merchant-promotions-v1beta/snippets/snippet_metadata_google.shopping.merchant.promotions.v1beta.json
index 7eb49163b81f..0aa1c31746b3 100644
--- a/google-shopping-merchant-promotions-v1beta/snippets/snippet_metadata_google.shopping.merchant.promotions.v1beta.json
+++ b/google-shopping-merchant-promotions-v1beta/snippets/snippet_metadata_google.shopping.merchant.promotions.v1beta.json
@@ -1,7 +1,7 @@
 {
   "client_library": {
     "name": "google-shopping-merchant-promotions-v1beta",
-    "version": "0.5.1",
+    "version": "0.6.0",
     "language": "RUBY",
     "apis": [
       {