diff --git a/04. Data-Structures-Trees-Representation-and-Traversal-(BFS-DFS)/04. Data-Structures-Trees-Representation-and-Traversal-(BFS-DFS)/pom.xml b/04. Data-Structures-Trees-Representation-and-Traversal-(BFS-DFS)/04. Data-Structures-Trees-Representation-and-Traversal-(BFS-DFS)/pom.xml
index e92413f..06d5515 100644
--- a/04. Data-Structures-Trees-Representation-and-Traversal-(BFS-DFS)/04. Data-Structures-Trees-Representation-and-Traversal-(BFS-DFS)/pom.xml	
+++ b/04. Data-Structures-Trees-Representation-and-Traversal-(BFS-DFS)/04. Data-Structures-Trees-Representation-and-Traversal-(BFS-DFS)/pom.xml	
@@ -28,7 +28,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.11</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
         <dependency>