diff --git a/composer.json b/composer.json
index 1cf6e08..e2121b9 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,8 @@
     },
     "require":{
         "php":"^7.4 || ^8.0",
-        "contao/core-bundle":"^4.13 || ^5.0"
+        "contao/core-bundle":"^4.13 || ^5.0",
+        "contao-community-alliance/composer-plugin":"~2.4 || ~3.0"
     },
     "suggest": {
         "netzmacht/contao-leaflet-maps": "Leaflet maps integration into Contao CMS"