diff --git a/go.mod b/go.mod
index b04f0e5..78f02e1 100644
--- a/go.mod
+++ b/go.mod
@@ -2,4 +2,4 @@ module github.com/xiaoqidun/gocos
 
 go 1.16
 
-require github.com/tencentyun/cos-go-sdk-v5 v0.7.24
+require github.com/tencentyun/cos-go-sdk-v5 v0.7.29
diff --git a/go.sum b/go.sum
index c520ba7..86d12bf 100644
--- a/go.sum
+++ b/go.sum
@@ -9,5 +9,7 @@ github.com/mozillazg/go-httpheader v0.2.1/go.mod h1:jJ8xECTlalr6ValeXYdOF8fFUISe
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/tencentyun/cos-go-sdk-v5 v0.7.24 h1:ZsZij764lOaPsj7mEAlyxXvslGt6/m312Tzqj/zeRpo=
-github.com/tencentyun/cos-go-sdk-v5 v0.7.24/go.mod h1:wQBO5HdAkLjj2q6XQiIfDSP8DXDNrppDRw2Kp/1BODA=
+github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common v1.0.194/go.mod h1:7sCQWVkxcsR38nffDW057DRGk8mUjK1Ing/EFOK8s8Y=
+github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/kms v1.0.194/go.mod h1:yrBKWhChnDqNz1xuXdSbWXG56XawEq0G5j1lg4VwBD4=
+github.com/tencentyun/cos-go-sdk-v5 v0.7.29 h1:uwRBzc70Wgtc5iQQCowqecfRT0OpCXUOZzodZHOOEDs=
+github.com/tencentyun/cos-go-sdk-v5 v0.7.29/go.mod h1:4E4+bQ2gBVJcgEC9Cufwylio4mXOct2iu05WjgEBx1o=