diff --git a/annotation-processor-playground/pom.xml b/annotation-processor-playground/pom.xml
old mode 100755
new mode 100644
index f7d95bf..c139fee
--- a/annotation-processor-playground/pom.xml
+++ b/annotation-processor-playground/pom.xml
@@ -58,7 +58,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>3.8.1</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>