diff --git a/go.mod b/go.mod
index 6ce75bf1..380ab0d6 100644
--- a/go.mod
+++ b/go.mod
@@ -1,4 +1,5 @@
-module github.com/tjfoc/gmsm/v2
+module github.com/tjfoc/gmsm
+
 go 1.14
 
 require (