diff --git a/elasticsearch6.x/pom.xml b/elasticsearch6.x/pom.xml
index 3bde577..2ac810a 100644
--- a/elasticsearch6.x/pom.xml
+++ b/elasticsearch6.x/pom.xml
@@ -45,7 +45,7 @@
 		<dependency>
 			<groupId>org.apache.logging.log4j</groupId>
 			<artifactId>log4j-api</artifactId>
-			<version>2.9.1</version>
+			<version>2.16.0</version>
 		</dependency>
 
 		<dependency>