diff --git a/a2/pom.xml b/a2/pom.xml
index ddd8e40..4503379 100644
--- a/a2/pom.xml
+++ b/a2/pom.xml
@@ -22,7 +22,7 @@
         <dependency>
           <groupId>junit</groupId>
           <artifactId>junit</artifactId>
-          <version>4.12</version>
+          <version>4.13.1</version>
           <scope>test</scope>
         </dependency>
       </dependencies>