diff --git a/go.mod b/go.mod
index eebae03..b2aab5b 100644
--- a/go.mod
+++ b/go.mod
@@ -6,8 +6,7 @@ require (
 	github.com/alibabacloud-go/debug v1.0.0
 	github.com/alibabacloud-go/tea v1.2.2
 	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
-	github.com/stretchr/testify v1.5.1
+	github.com/stretchr/testify v1.9.0
 	gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
 	gopkg.in/ini.v1 v1.67.0
-	gopkg.in/yaml.v2 v2.2.8 // indirect
 )