diff --git a/proto-google-iam-v1/build.gradle b/proto-google-iam-v1/build.gradle
index adc25a3f..6be2f6d0 100644
--- a/proto-google-iam-v1/build.gradle
+++ b/proto-google-iam-v1/build.gradle
@@ -18,7 +18,7 @@ repositories {
 }
 
 dependencies {
-  compile 'com.google.protobuf:protobuf-java:3.20.0'
+  compile 'com.google.protobuf:protobuf-java:3.19.4'
   compile 'com.google.api:api-common:2.1.5'
   compile project(':proto-google-common-protos')
 }