diff --git a/Java/data_structure/map/pom.xml b/Java/data_structure/map/pom.xml
old mode 100755
new mode 100644
index 0080689..73a2c68
--- a/Java/data_structure/map/pom.xml
+++ b/Java/data_structure/map/pom.xml
@@ -12,7 +12,7 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>4.12</version>
+			<version>4.13.1</version>
 			<scope>test</scope>
 		</dependency>
 	</dependencies>