diff --git a/core/codegen/vdm2jml-runtime/pom.xml b/core/codegen/vdm2jml-runtime/pom.xml
index d9332645d5..77a50f434e 100644
--- a/core/codegen/vdm2jml-runtime/pom.xml
+++ b/core/codegen/vdm2jml-runtime/pom.xml
@@ -16,7 +16,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.11</version>
+      <version>4.13.1</version>
     </dependency>
     <dependency>
       <groupId>org.overturetool.core.codegen</groupId>