diff --git a/pom.xml b/pom.xml
index 56120d6..537cda0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -370,7 +370,7 @@ limitations under the License.
         <dependency>
             <groupId>org.elasticsearch</groupId>
             <artifactId>elasticsearch</artifactId>
-            <version>0.19.4</version>
+            <version>6.8.17</version>
             <optional>true</optional>
         </dependency>
         <dependency>