diff --git a/elasticsearch6.x/pom.xml b/elasticsearch6.x/pom.xml
index 3bde577..7cc2933 100644
--- a/elasticsearch6.x/pom.xml
+++ b/elasticsearch6.x/pom.xml
@@ -38,7 +38,7 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>4.11</version>
+			<version>4.13.1</version>
 			<scope>test</scope>
 		</dependency>