diff --git a/auth/v1/msg.proto b/auth/v1/msg.proto
index 1cdb4e5..4e7216f 100644
--- a/auth/v1/msg.proto
+++ b/auth/v1/msg.proto
@@ -62,6 +62,7 @@ message UserAccessTokenRes {
   string access_token = 1;
   int64 access_expired_at = 2;
   string refresh_token = 3;
+  InternalIAM iam = 4;
 }
 
 /*