diff --git a/zuulsvr/pom.xml b/zuulsvr/pom.xml
index 020020f..1fd4094 100644
--- a/zuulsvr/pom.xml
+++ b/zuulsvr/pom.xml
@@ -49,7 +49,7 @@
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpclient</artifactId>
-      <version>4.5.2</version>
+      <version>4.5.13</version>
     </dependency>
 
   </dependencies>