Bump golang version to 5.0.1-rc1
diff --git a/golang/metadata/metadata.go b/golang/metadata/metadata.go
index 415bd89..5a8b919 100644
--- a/golang/metadata/metadata.go
+++ b/golang/metadata/metadata.go
@@ -31,7 +31,7 @@
 const (
 	LanguageValue = "GO"
 	ProtocolValue = "v2"
-	VersionValue  = "5.0.1"
+	VersionValue  = "5.0.1-rc1"
 )
 
 const (
diff --git a/golang/user_agent.go b/golang/user_agent.go
index 9964792..012f532 100644
--- a/golang/user_agent.go
+++ b/golang/user_agent.go
@@ -29,7 +29,7 @@
 }
 
 var globalUserAgent = &userAgent{
-	version:  "5.0.1",
+	version:  "5.0.1-rc1",
 	platform: utils.GetOsDescription(),
 	hostName: utils.HostName(),
 }