diff --git a/composer.json b/composer.json
index 4e75364..a7da16b 100644
--- a/composer.json
+++ b/composer.json
@@ -45,6 +45,7 @@
     "doctrine/doctrine-bundle": "^2.5",
     "doctrine/doctrine-migrations-bundle": "^3.2",
     "doctrine/orm": "^2.9 || ^3.0",
+    "dragonmantank/cron-expression": "^3.4",
     "easycorp/easyadmin-bundle": "^4.8",
     "symfony/doctrine-messenger": "^6.4|^7.1",
     "symfony/dotenv": "^6.4|^7.1",