diff --git a/Lab 4 Tree/solution/pom.xml b/Lab 4 Tree/solution/pom.xml
index 3b2be76..16c020b 100644
--- a/Lab 4 Tree/solution/pom.xml	
+++ b/Lab 4 Tree/solution/pom.xml	
@@ -18,7 +18,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
         <dependency>