diff --git a/simulator/pom.xml b/simulator/pom.xml
index 41d7f85..a53eab3 100644
--- a/simulator/pom.xml
+++ b/simulator/pom.xml
@@ -16,7 +16,7 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>3.8.1</version>
+			<version>4.13.1</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>