diff --git a/composer.json b/composer.json
index ad3c2c79..7d578115 100644
--- a/composer.json
+++ b/composer.json
@@ -22,6 +22,7 @@
     "ipl/html": "dev-master",
     "ipl/validator": "@dev",
     "ipl/i18n": ">=0.2.0",
+    "ipl/scheduler": "dev-main",
     "ipl/stdlib": ">=0.12.0",
     "fortawesome/font-awesome": "^6"
   }