diff --git a/implementation/MapRepairWS/pom.xml b/implementation/MapRepairWS/pom.xml
index f2c5bfb..0d60926 100644
--- a/implementation/MapRepairWS/pom.xml
+++ b/implementation/MapRepairWS/pom.xml
@@ -33,7 +33,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.11</version>
+            <version>4.13.1</version>
         </dependency>
         <dependency>
             <groupId>uk.ac.ox.cs.pdq</groupId>