diff --git a/quickstart-elasticsearch6/pom.xml b/quickstart-elasticsearch6/pom.xml
index 014b51e..ca2aea3 100644
--- a/quickstart-elasticsearch6/pom.xml
+++ b/quickstart-elasticsearch6/pom.xml
@@ -18,7 +18,7 @@
   <properties>
     <elasticsearch.version>6.8.18</elasticsearch.version>
     <jest.version>6.3.1</jest.version>
-    <apache-logging-log4j.version>2.14.1</apache-logging-log4j.version>
+    <apache-logging-log4j.version>2.17.0</apache-logging-log4j.version>
   </properties>
 
   <dependencies>