diff --git a/pom.xml b/pom.xml
index 990459c..64bf817 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,7 +27,7 @@
         <elasticsearch.license.headerDefinition>${project.basedir}/src/main/resources/license-check/license_header_definition.xml</elasticsearch.license.headerDefinition>
 
         <tests.ifNoTests>warn</tests.ifNoTests>
-		<elasticsearch.version>5.6.9</elasticsearch.version>
+		<elasticsearch.version>6.8.17</elasticsearch.version>
         <commons-io.version>2.4</commons-io.version>
         <httpcore.version>4.4.8</httpcore.version>
         <junit.version>4.12</junit.version>