diff --git a/pom.xml b/pom.xml
index 7b16c171..3e1b3e0d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -49,7 +49,7 @@
     <jetty-version>9.3.11.v20160721</jetty-version>
 
     <jackson-version>2.8.2</jackson-version>
-    <httpclient-version>4.5.5</httpclient-version>
+    <httpclient-version>4.5.13</httpclient-version>
     <httpcore-version>4.4.9</httpcore-version>
     <quartz-version>2.2.3</quartz-version>
     <!--<tape-version>1.2.3</tape-version> -->