diff --git a/pom.xml b/pom.xml
index 5a98e57..00318de 100644
--- a/pom.xml
+++ b/pom.xml
@@ -133,7 +133,7 @@
        <dependency>
             <groupId>org.elasticsearch</groupId>
             <artifactId>elasticsearch</artifactId>
-            <version>2.3.5</version>
+            <version>6.8.13</version>
             <exclusions>
                 <exclusion>
                     <groupId>com.fasterxml.jackson.dataformat</groupId>