diff --git a/adt/pom.xml b/adt/pom.xml
old mode 100755
new mode 100644
index 2896d19..71db0a6
--- a/adt/pom.xml
+++ b/adt/pom.xml
@@ -23,7 +23,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.8.1</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>