diff --git a/kk-callcenter-main/pom.xml b/kk-callcenter-main/pom.xml
index 58e6324..71ebd9a 100644
--- a/kk-callcenter-main/pom.xml
+++ b/kk-callcenter-main/pom.xml
@@ -140,7 +140,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.5</version>
+            <version>4.5.13</version>
         </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>