diff --git a/pom.xml b/pom.xml
index f49fcca..bfd1739 100644
--- a/pom.xml
+++ b/pom.xml
@@ -99,7 +99,7 @@ limitations under the License.
     <hbase2.jetty.version>9.3.19.v20170502</hbase2.jetty.version>
     <hbase2.version>2.0.0</hbase2.version>
     <httpcore.version>4.4.6</httpcore.version>
-    <httpclient.version>4.5.3</httpclient.version>
+    <httpclient.version>4.5.13</httpclient.version>
     <irclib.version>1.10</irclib.version>
     <jersey.version>1.8</jersey.version>
     <jetty.version>9.4.6.v20170531</jetty.version>