diff --git a/backend/pom.xml b/backend/pom.xml
index 05342f1bad..b456dc54c6 100644
--- a/backend/pom.xml
+++ b/backend/pom.xml
@@ -362,7 +362,6 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.6</version>
         </dependency>
         <!-- 反射工具包 -->
         <dependency>