diff --git a/rpc_util.go b/rpc_util.go
index 9862b32725ca..111003ba77fb 100644
--- a/rpc_util.go
+++ b/rpc_util.go
@@ -528,6 +528,6 @@ func getMaxSize(mcMax, doptMax *int, defaultVal int) *int {
 const SupportPackageIsVersion4 = true
 
 // Version is the current grpc version.
-const Version = "1.4.0-dev"
+const Version = "1.4.0"
 
 const grpcUA = "grpc-go/" + Version