diff --git a/pom.xml b/pom.xml
index 1abf287..8698433 100644
--- a/pom.xml
+++ b/pom.xml
@@ -53,7 +53,7 @@
         <dependency>
             <groupId>org.elasticsearch</groupId>
             <artifactId>elasticsearch</artifactId>
-            <version>6.1.1</version>
+            <version>6.8.17</version>
         </dependency>
         <dependency>
             <groupId>org.elasticsearch.client</groupId>