diff --git a/rpc_util.go b/rpc_util.go
index <HASH>..<HASH> 100644
--- a/rpc_util.go
+++ b/rpc_util.go
@@ -567,6 +567,6 @@ const SupportPackageIsVersion3 = true
 const SupportPackageIsVersion4 = true
 
 // Version is the current grpc version.
-const Version = "1.7.0-dev"
+const Version = "1.8.0-dev"
 
 const grpcUA = "grpc-go/" + Version
Change version to <I>-dev (#<I>)