diff --git a/nat/pom.xml b/nat/pom.xml
index 56883665..7ce3d234 100644
--- a/nat/pom.xml
+++ b/nat/pom.xml
@@ -73,7 +73,7 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>4.11</version>
+			<version>4.13.1</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>