diff --git a/rpc_util.go b/rpc_util.go
index 4cad61c2..f1f6be24 100644
--- a/rpc_util.go
+++ b/rpc_util.go
@@ -677,6 +677,6 @@ const (
 )
 
 // Version is the current grpc version.
-const Version = "1.11.0-dev"
+const Version = "1.12.0-dev"
 
 const grpcUA = "grpc-go/" + Version