diff --git a/map-reduce/sc.mapreduce/pom.xml b/map-reduce/sc.mapreduce/pom.xml
old mode 100755
new mode 100644
index c9def93..3b1675d
--- a/map-reduce/sc.mapreduce/pom.xml
+++ b/map-reduce/sc.mapreduce/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>
 		<dependency>