diff --git a/asynch/pom.xml b/asynch/pom.xml
index d74ce04..96a562c 100644
--- a/asynch/pom.xml
+++ b/asynch/pom.xml
@@ -142,7 +142,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
         <dependency>