diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 05d3a49cc943..79ec7a30bb1b 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1017,7 +1017,7 @@
   "google-shopping-merchant-products-v1beta+FILLER": "0.0.0",
   "google-shopping-merchant-promotions": "0.3.0",
   "google-shopping-merchant-promotions+FILLER": "0.0.0",
-  "google-shopping-merchant-promotions-v1": "0.2.1",
+  "google-shopping-merchant-promotions-v1": "0.3.0",
   "google-shopping-merchant-promotions-v1+FILLER": "0.0.0",
   "google-shopping-merchant-promotions-v1beta": "0.6.0",
   "google-shopping-merchant-promotions-v1beta+FILLER": "0.0.0",
diff --git a/google-shopping-merchant-promotions-v1/CHANGELOG.md b/google-shopping-merchant-promotions-v1/CHANGELOG.md
index dd723b062a07..a6447e51d073 100644
--- a/google-shopping-merchant-promotions-v1/CHANGELOG.md
+++ b/google-shopping-merchant-promotions-v1/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+### 0.3.0 (2026-03-31)
+
+#### Features
+
+* Upgrade dependencies for Ruby v4.0 and drop Ruby v3.1 support
+* upgrade protobuf from v25.7 to v31.0 ([#32822](https://github.com/googleapis/google-cloud-ruby/issues/32822)) 
+
 ### 0.2.1 (2025-10-27)
 
 #### Documentation
diff --git a/google-shopping-merchant-promotions-v1/lib/google/shopping/merchant/promotions/v1/version.rb b/google-shopping-merchant-promotions-v1/lib/google/shopping/merchant/promotions/v1/version.rb
index 46f44e3c94ae..6043b9b8e2c5 100644
--- a/google-shopping-merchant-promotions-v1/lib/google/shopping/merchant/promotions/v1/version.rb
+++ b/google-shopping-merchant-promotions-v1/lib/google/shopping/merchant/promotions/v1/version.rb
@@ -22,7 +22,7 @@ module Shopping
     module Merchant
       module Promotions
         module V1
-          VERSION = "0.2.1"
+          VERSION = "0.3.0"
         end
       end
     end
diff --git a/google-shopping-merchant-promotions-v1/snippets/snippet_metadata_google.shopping.merchant.promotions.v1.json b/google-shopping-merchant-promotions-v1/snippets/snippet_metadata_google.shopping.merchant.promotions.v1.json
index 09e2d9cc2b2d..7d5da2c3fb34 100644
--- a/google-shopping-merchant-promotions-v1/snippets/snippet_metadata_google.shopping.merchant.promotions.v1.json
+++ b/google-shopping-merchant-promotions-v1/snippets/snippet_metadata_google.shopping.merchant.promotions.v1.json
@@ -1,7 +1,7 @@
 {
   "client_library": {
     "name": "google-shopping-merchant-promotions-v1",
-    "version": "0.2.1",
+    "version": "0.3.0",
     "language": "RUBY",
     "apis": [
       {