diff --git a/elasticsearch/pom.xml b/elasticsearch/pom.xml
index 9efe894..812dcd5 100644
--- a/elasticsearch/pom.xml
+++ b/elasticsearch/pom.xml
@@ -48,7 +48,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.4</version>
+            <version>4.5.13</version>
         </dependency>
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>