diff --git a/discovery/pom.xml b/discovery/pom.xml
index 4f615fe..b90e141 100644
--- a/discovery/pom.xml
+++ b/discovery/pom.xml
@@ -86,7 +86,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.5</version>
+            <version>4.5.13</version>
         </dependency>
     </dependencies>