diff --git a/composer.json b/composer.json
index 5fc7bd2..f14046d 100644
--- a/composer.json
+++ b/composer.json
@@ -21,7 +21,8 @@
     "bk2k/bootstrap-package": "dev-master",
     "friendsofphp/php-cs-fixer": "^3.12",
     "saschaegerer/phpstan-typo3": "^1.9",
-    "helhum/typo3-console": "^8.0"
+    "helhum/typo3-console": "^8.0",
+    "derhansen/sf_event_mgt": "dev-develop"
   },
   "extra": {
     "typo3/cms": {