diff --git a/mock/pom.xml b/mock/pom.xml
index cc92d5a..e6ca1c4 100644
--- a/mock/pom.xml
+++ b/mock/pom.xml
@@ -22,7 +22,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.3.3</version>
+            <version>4.5.13</version>
         </dependency>
 
         <dependency>