diff --git a/rpc_util.go b/rpc_util.go
index 5de1b03..22dcddf 100644
--- a/rpc_util.go
+++ b/rpc_util.go
@@ -722,6 +722,6 @@
 )
 
 // Version is the current grpc version.
-const Version = "1.12.2"
+const Version = "1.12.3-dev"
 
 const grpcUA = "grpc-go/" + Version