diff --git a/client/config.go b/client/config.go
index 176eb4e..baa1e92 100644
--- a/client/config.go
+++ b/client/config.go
@@ -41,7 +41,7 @@ type UserAgentConfig struct {
 
 func NewDingtalkGoSDKUserAgent() *UserAgentConfig {
 	return &UserAgentConfig{
-		UserAgent: "dingtalk-sdk-go/v0.4.0",
+		UserAgent: "dingtalk-sdk-go/v0.5.1",
 	}
 }