diff --git a/workshop/pom.xml b/workshop/pom.xml
index aed2165..d7576d4 100644
--- a/workshop/pom.xml
+++ b/workshop/pom.xml
@@ -52,7 +52,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
         </dependency>
         <dependency>
             <groupId>org.mockito</groupId>