diff --git a/pom.xml b/pom.xml
index a88e2f5..b42b7c9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -20,7 +20,7 @@
         <surefire.version>2.12.4</surefire.version>
         <jacoco.version>0.7.9</jacoco.version>
         <powermock.version>1.6.6</powermock.version>
-        <httpclient.version>4.5.2</httpclient.version>
+        <httpclient.version>4.5.13</httpclient.version>
         <json.version>20160810</json.version>
         <httpmime.version>4.5.2</httpmime.version>
         <jacksondatabind.version>[2.9.8,)</jacksondatabind.version>