diff --git a/2020-charlotte-fullstackjava/walkthroughs/exercise.maven_numbers-triangles-tables/pom.xml b/2020-charlotte-fullstackjava/walkthroughs/exercise.maven_numbers-triangles-tables/pom.xml
index 7217edb..cdc314d 100644
--- a/2020-charlotte-fullstackjava/walkthroughs/exercise.maven_numbers-triangles-tables/pom.xml
+++ b/2020-charlotte-fullstackjava/walkthroughs/exercise.maven_numbers-triangles-tables/pom.xml
@@ -13,7 +13,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
         </dependency>
 
     </dependencies>