diff --git a/go.mod b/go.mod
index 53b24d65..8a8a8265 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/fatedier/frp
 
-go 1.16
+go 1.15
 
 require (
 	github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5