diff --git a/plugins/repository-gcs/build.gradle b/plugins/repository-gcs/build.gradle
index 881f56f91ca61..ead05a1fd79e5 100644
--- a/plugins/repository-gcs/build.gradle
+++ b/plugins/repository-gcs/build.gradle
@@ -73,7 +73,7 @@ dependencies {
   runtimeOnly "com.google.protobuf:protobuf-java:${versions.protobuf}"
   runtimeOnly "com.google.code.gson:gson:2.12.1"
   runtimeOnly "com.google.api.grpc:proto-google-common-protos:2.60.0"
-  runtimeOnly "com.google.api.grpc:proto-google-iam-v1:1.55.0"
+  runtimeOnly "com.google.api.grpc:proto-google-iam-v1:1.56.1"
   implementation "com.google.auth:google-auth-library-credentials:1.38.0"
   implementation "com.google.auth:google-auth-library-oauth2-http:1.38.0"
   runtimeOnly "com.google.oauth-client:google-oauth-client:1.39.0" // 1.39.0 in bom