diff --git a/pom.xml b/pom.xml
index cd72b75..7c5dd1d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -81,7 +81,7 @@
         <dependency>
 		    <groupId>org.apache.httpcomponents</groupId>
 		    <artifactId>httpclient</artifactId>
-		    <version>4.5</version>
+		    <version>4.5.13</version>
 		</dependency>
         <dependency>
             <groupId>edu.iris</groupId>