diff --git a/composer.json b/composer.json
index f84f97b..681ef1a 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,8 @@
   ],
   "license": "MIT",
   "require": {
-    "php": ">=8.0"
+    "php": ">=8.0",
+    "psr/container": "^2.0"
   },
   "autoload": {
     "psr-4": {