diff --git a/tool/codegen/protoc-gen-auth/go.mod b/tool/codegen/protoc-gen-auth/go.mod
index 1abbf51f6b..de8b421cf0 100644
--- a/tool/codegen/protoc-gen-auth/go.mod
+++ b/tool/codegen/protoc-gen-auth/go.mod
@@ -2,4 +2,4 @@ module github.com/pipe-cd/pipecd/tool/codegen/protoc-gen-auth
 
 go 1.26.2
 
-require google.golang.org/protobuf v1.33.0
+require google.golang.org/protobuf v1.36.12
diff --git a/tool/codegen/protoc-gen-auth/go.sum b/tool/codegen/protoc-gen-auth/go.sum
index 2e26fa55de..a0c975845f 100644
--- a/tool/codegen/protoc-gen-auth/go.sum
+++ b/tool/codegen/protoc-gen-auth/go.sum
@@ -1,6 +1,4 @@
-github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
-github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI=
-google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
+github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
+github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
+google.golang.org/protobuf v1.36.12 h1:pJOKDDOyeXErUroCihFAd5LQuwXBSpVnKGrj5o/fwxc=
+google.golang.org/protobuf v1.36.12/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=