diff --git a/Concurrency programming/PP - 1. Fine grained bank/pom.xml b/Concurrency programming/PP - 1. Fine grained bank/pom.xml
index 1ce0406..a625a54 100644
--- a/Concurrency programming/PP - 1. Fine grained bank/pom.xml	
+++ b/Concurrency programming/PP - 1. Fine grained bank/pom.xml	
@@ -18,7 +18,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>3.8.2</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>