diff --git a/gapic-generator-ads/CHANGELOG.md b/gapic-generator-ads/CHANGELOG.md
index 6aad21513..6cdaf0f4c 100644
--- a/gapic-generator-ads/CHANGELOG.md
+++ b/gapic-generator-ads/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Release History for gapic-generator-ads
 
+### 0.51.0 / 2026-07-31
+
+* Includes changes from gapic-generator 0.51.0
+* Feature: Update protobuf to 33.2
+
 ### 0.50.0 / 2026-07-13
 
 * Includes changes from gapic-generator 0.50.0
diff --git a/gapic-generator-ads/Gemfile.lock b/gapic-generator-ads/Gemfile.lock
index 6aedb48a2..647b24d18 100644
--- a/gapic-generator-ads/Gemfile.lock
+++ b/gapic-generator-ads/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ../gapic-generator
   specs:
-    gapic-generator (0.50.0)
+    gapic-generator (0.51.0)
       actionpack (~> 8.0)
       bigdecimal (~> 3.0)
       google-cloud-common (~> 1.2)
@@ -12,8 +12,8 @@ PATH
 PATH
   remote: .
   specs:
-    gapic-generator-ads (0.50.0)
-      gapic-generator (= 0.50.0)
+    gapic-generator-ads (0.51.0)
+      gapic-generator (= 0.51.0)
 
 GEM
   remote: https://rubygems.org/
diff --git a/gapic-generator-ads/lib/gapic/generator/ads/version.rb b/gapic-generator-ads/lib/gapic/generator/ads/version.rb
index fdb1c27c6..d25155dd9 100644
--- a/gapic-generator-ads/lib/gapic/generator/ads/version.rb
+++ b/gapic-generator-ads/lib/gapic/generator/ads/version.rb
@@ -18,7 +18,7 @@
 module Gapic
   module Generator
     module Ads
-      VERSION = "0.50.0"
+      VERSION = "0.51.0"
     end
   end
 end
diff --git a/gapic-generator-cloud/CHANGELOG.md b/gapic-generator-cloud/CHANGELOG.md
index e470652a1..343dcfa6b 100644
--- a/gapic-generator-cloud/CHANGELOG.md
+++ b/gapic-generator-cloud/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Release History for gapic-generator-cloud
 
+### 0.51.0 / 2026-07-31
+
+* Includes changes from gapic-generator 0.51.0
+* Fix: upgrade minitest-reporters dependency to ~> 1.8.0 in wrapper gem template
+* Feature: Update protobuf to 33.2
+
 ### 0.50.0 / 2026-07-13
 
 * Includes changes from gapic-generator 0.50.0
diff --git a/gapic-generator-cloud/Gemfile.lock b/gapic-generator-cloud/Gemfile.lock
index b4665f843..2c66bf107 100644
--- a/gapic-generator-cloud/Gemfile.lock
+++ b/gapic-generator-cloud/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ../gapic-generator
   specs:
-    gapic-generator (0.50.0)
+    gapic-generator (0.51.0)
       actionpack (~> 8.0)
       bigdecimal (~> 3.0)
       google-cloud-common (~> 1.2)
@@ -12,8 +12,8 @@ PATH
 PATH
   remote: .
   specs:
-    gapic-generator-cloud (0.50.0)
-      gapic-generator (= 0.50.0)
+    gapic-generator-cloud (0.51.0)
+      gapic-generator (= 0.51.0)
 
 GEM
   remote: https://rubygems.org/
diff --git a/gapic-generator-cloud/lib/gapic/generator/cloud/version.rb b/gapic-generator-cloud/lib/gapic/generator/cloud/version.rb
index 72e8b72ca..53f0710eb 100644
--- a/gapic-generator-cloud/lib/gapic/generator/cloud/version.rb
+++ b/gapic-generator-cloud/lib/gapic/generator/cloud/version.rb
@@ -18,7 +18,7 @@
 module Gapic
   module Generator
     module Cloud
-      VERSION = "0.50.0"
+      VERSION = "0.51.0"
     end
   end
 end
diff --git a/gapic-generator/CHANGELOG.md b/gapic-generator/CHANGELOG.md
index eb671fcee..8325c02c1 100644
--- a/gapic-generator/CHANGELOG.md
+++ b/gapic-generator/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Release History for gapic-generator
 
+### 0.51.0 / 2026-07-31
+
+* Feature: Update protobuf to 33.2
+
 ### 0.50.0 / 2026-07-13
 
 * Feature: Add minitest-reporters dependency and shared preloader to generator templates
diff --git a/gapic-generator/Gemfile.lock b/gapic-generator/Gemfile.lock
index df08bd93a..00f43a851 100644
--- a/gapic-generator/Gemfile.lock
+++ b/gapic-generator/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    gapic-generator (0.50.0)
+    gapic-generator (0.51.0)
       actionpack (~> 8.0)
       bigdecimal (~> 3.0)
       google-cloud-common (~> 1.2)
diff --git a/gapic-generator/lib/gapic/generator/version.rb b/gapic-generator/lib/gapic/generator/version.rb
index 484c45ec9..c1fc45e23 100644
--- a/gapic-generator/lib/gapic/generator/version.rb
+++ b/gapic-generator/lib/gapic/generator/version.rb
@@ -16,6 +16,6 @@
 
 module Gapic
   module Generator
-    VERSION = "0.50.0"
+    VERSION = "0.51.0"
   end
 end