diff --git a/java/core/pom.xml b/java/core/pom.xml
old mode 100755
new mode 100644
index 7375134..98192ad
--- a/java/core/pom.xml
+++ b/java/core/pom.xml
@@ -121,7 +121,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.8.1</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>