diff --git a/lab/pom.xml b/lab/pom.xml
index ff65849..f093f29 100644
--- a/lab/pom.xml
+++ b/lab/pom.xml
@@ -33,7 +33,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
         </dependency>
         <dependency>
             <groupId>commons-io</groupId>