diff --git a/pom.xml b/pom.xml
index 229e126..a85f717 100644
--- a/pom.xml
+++ b/pom.xml
@@ -23,7 +23,7 @@
         <dependency>
             <groupId>org.elasticsearch</groupId>
             <artifactId>elasticsearch</artifactId>
-            <version>6.1.2</version>
+            <version>6.8.17</version>
         </dependency>
         <dependency>
             <groupId>com.google.guava</groupId>