diff --git a/pom.xml b/pom.xml
index 38e710b..db2dcca 100644
--- a/pom.xml
+++ b/pom.xml
@@ -123,7 +123,7 @@
         <dependency>
             <groupId>org.elasticsearch</groupId>
             <artifactId>elasticsearch</artifactId>
-            <version>2.4.0</version>
+            <version>6.8.17</version>
         </dependency>
 
     </dependencies>