diff --git a/es/pom.xml b/es/pom.xml
index d0116a2..03785fa 100644
--- a/es/pom.xml
+++ b/es/pom.xml
@@ -8,7 +8,7 @@
     <artifactId>es</artifactId>
     <version>1.0-SNAPSHOT</version>
     <properties>
-        <httpclient.version>4.5.5</httpclient.version>
+        <httpclient.version>4.5.13</httpclient.version>
         <httpmime.version>4.3.6</httpmime.version>
         <jest.version>5.3.3</jest.version>
         <jna.version>4.5.2</jna.version>