diff --git a/quickstart-elasticsearch2/pom.xml b/quickstart-elasticsearch2/pom.xml
index 3a716de..b6f0109 100644
--- a/quickstart-elasticsearch2/pom.xml
+++ b/quickstart-elasticsearch2/pom.xml
@@ -16,7 +16,7 @@
     <description>Demo project for XXX</description>
 
     <properties>
-        <elasticsearch.version>2.4.6</elasticsearch.version>
+        <elasticsearch.version>6.8.17</elasticsearch.version>
     </properties>
 
     <dependencies>