diff --git a/pom.xml b/pom.xml
index f6bc088..653b22d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -123,7 +123,7 @@
         <dependency>
             <groupId>org.elasticsearch.client</groupId>
             <artifactId>elasticsearch-rest-client</artifactId>
-            <version>6.2.4</version>
+            <version>6.8.15</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/commons-io/commons-io -->