diff --git a/fine-grained-bank/pom.xml b/fine-grained-bank/pom.xml
old mode 100755
new mode 100644
index 157e608..684b4f1
--- a/fine-grained-bank/pom.xml
+++ b/fine-grained-bank/pom.xml
@@ -15,7 +15,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
         <dependency>