diff --git a/pom.xml b/pom.xml
index 76d476f..28c32c0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -112,7 +112,7 @@
         <dependency>
             <groupId>org.elasticsearch.client</groupId>
             <artifactId>elasticsearch-rest-client</artifactId>
-            <version>6.4.3</version>
+            <version>6.8.15</version>
         </dependency>
         <dependency>
             <groupId>org.elasticsearch.client</groupId>