diff --git a/java-iam/grpc-google-iam-v1/build.gradle b/java-iam/grpc-google-iam-v1/build.gradle
index 8861e763db..1c00d1b2f6 100644
--- a/java-iam/grpc-google-iam-v1/build.gradle
+++ b/java-iam/grpc-google-iam-v1/build.gradle
@@ -18,7 +18,7 @@ repositories {
 }
 
 dependencies {
-  compile 'io.grpc:grpc-stub:1.46.0'
+  compile 'io.grpc:grpc-stub:1.47.0'
   compile 'io.grpc:grpc-protobuf:1.47.0'
   compile project(':proto-google-iam-v1')
 }