diff --git a/pom.xml b/pom.xml
index 724fad15..44b6ec3f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -411,6 +411,11 @@
             <artifactId>alibaba-dingtalk-service-sdk</artifactId>
             <version>2.0.0</version>
         </dependency>
+        <dependency>
+            <groupId>commons-httpclient</groupId>
+            <artifactId>commons-httpclient</artifactId>
+            <version>3.1</version>
+        </dependency>
     </dependencies>
 
     <build>