diff --git a/pom.xml b/pom.xml
index 4eb5a78..a97b5af 100644
--- a/pom.xml
+++ b/pom.xml
@@ -105,7 +105,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.8</version>
+            <version>4.5.13</version>
         </dependency>
 
         <!-- basic unit testing (test)-->