diff --git a/composer.json b/composer.json
index 43dcacd..a03850a 100644
--- a/composer.json
+++ b/composer.json
@@ -16,6 +16,7 @@
     "minimum-stability": "stable",
     "require": {
         "league/event": ">=3.0.3",
+        "potter/container": ">=0.0.1",
         "psr/event-dispatcher": ">=1.0.0",
         "symfony/event-dispatcher": ">=8.1.2",
         "symfony/event-dispatcher-contracts": ">=3.7.1",