diff --git a/composer.json b/composer.json
index ae4b02b..8d7a299 100644
--- a/composer.json
+++ b/composer.json
@@ -5,7 +5,8 @@
   "license": "proprietary",
   "require": {
     "php": "^8.1",
-    "contao/core-bundle": "^4.13 || ^5.0"
+    "contao/core-bundle": "^4.13 || ^5.0",
+    "contao/manager-plugin": "^2.0"
   },
   "autoload": {
     "psr-4": {