diff --git a/core/pom.xml b/core/pom.xml
old mode 100755
new mode 100644
index 32e137a..2914cf0
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -46,7 +46,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.4</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
   </dependencies>