diff --git a/testbed/pom.xml b/testbed/pom.xml
index f67487d..5343344 100644
--- a/testbed/pom.xml
+++ b/testbed/pom.xml
@@ -68,7 +68,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.12</version>
+      <version>4.13.1</version>
     </dependency>
     <dependency>
       <groupId>org.hamcrest</groupId>