diff --git a/pom.xml b/pom.xml
index 30d35136b51e97776fb2894edbfd1298662ad915..8a5e270a086824cd1619b0f90b6ebbccac9a8e61 100644
--- a/pom.xml
+++ b/pom.xml
@@ -98,7 +98,7 @@
         <alibabacloud-vod20170321.version>1.0.3</alibabacloud-vod20170321.version>
         <alibabacloud-dysmsapi20170525.version>2.0.22</alibabacloud-dysmsapi20170525.version>
         <!-- dingtalk -->
-        <aliyun-dingtalk-sdk.version>1.5.20</aliyun-dingtalk-sdk.version>
+        <aliyun-dingtalk-sdk.version>1.5.21</aliyun-dingtalk-sdk.version>
         <alibaba-dingtalk-sdk.version>2.0.0</alibaba-dingtalk-sdk.version>
         <!-- logstash-logback-encoder -->
         <logstash-logback-encoder.version>7.2</logstash-logback-encoder.version>