diff --git a/java-common-protos/grpc-google-common-protos/build.gradle b/java-common-protos/grpc-google-common-protos/build.gradle
index ce390d6c54..7031601914 100644
--- a/java-common-protos/grpc-google-common-protos/build.gradle
+++ b/java-common-protos/grpc-google-common-protos/build.gradle
@@ -19,7 +19,7 @@ repositories {
 
 dependencies {
   compile 'io.grpc:grpc-stub:1.52.1'
-  compile 'io.grpc:grpc-protobuf:1.51.1'
+  compile 'io.grpc:grpc-protobuf:1.52.1'
   compile project(':proto-google-common-protos')
 }
 
diff --git a/java-iam/grpc-google-iam-v1/build.gradle b/java-iam/grpc-google-iam-v1/build.gradle
index 4654ad8b84..c49f8891a6 100644
--- a/java-iam/grpc-google-iam-v1/build.gradle
+++ b/java-iam/grpc-google-iam-v1/build.gradle
@@ -19,7 +19,7 @@ repositories {
 
 dependencies {
   compile 'io.grpc:grpc-stub:1.52.1'
-  compile 'io.grpc:grpc-protobuf:1.51.1'
+  compile 'io.grpc:grpc-protobuf:1.52.1'
   compile project(':proto-google-iam-v1')
 }