diff --git a/elasticsearch6.x/pom.xml b/elasticsearch6.x/pom.xml
index 3bde577..7fc3073 100644
--- a/elasticsearch6.x/pom.xml
+++ b/elasticsearch6.x/pom.xml
@@ -51,7 +51,7 @@
 		<dependency>
 			<groupId>org.apache.logging.log4j</groupId>
 			<artifactId>log4j-core</artifactId>
-			<version>2.13.2</version>
+			<version>2.17.1</version>
 		</dependency>
 	</dependencies>