diff --git a/Middleware/Lab4/chapter6code/StudentAOP/pom.xml b/Middleware/Lab4/chapter6code/StudentAOP/pom.xml
old mode 100755
new mode 100644
index 55f68da..6bea8d6
--- a/Middleware/Lab4/chapter6code/StudentAOP/pom.xml
+++ b/Middleware/Lab4/chapter6code/StudentAOP/pom.xml
@@ -21,7 +21,7 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>4.7</version>
+			<version>4.13.1</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>