diff --git a/voltctl.config b/voltctl.config
index f07a75b..857219a 100644
--- a/voltctl.config
+++ b/voltctl.config
@@ -9,5 +9,6 @@
   verify: ""
 grpc:
   timeout: 5m0s
+  maxCallRecvMsgSize: 4MB
 kvstoreconfig:
   timeout: 5s