diff --git a/hivemq-edge/src/test/resources/test-config.xml b/hivemq-edge/src/test/resources/test-config.xml
index 9b625bdd1..50807ec11 100644
--- a/hivemq-edge/src/test/resources/test-config.xml
+++ b/hivemq-edge/src/test/resources/test-config.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <hivemq xsi:schemaLocation="config.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+    <config-version>1</config-version>
     <mqtt-listeners>
         <tcp-listener>
             <port>1883</port>