diff --git a/composer.json b/composer.json
index 1fcef94..6e91dee 100644
--- a/composer.json
+++ b/composer.json
@@ -14,5 +14,13 @@
         }
     ],
     "minimum-stability": "stable",
-    "require": {}
+    "require": {
+        "graham-campbell/result-type": ">=1.1.4",
+        "phpoption/phpoption": ">=1.9.5",
+        "potter/container": ">=0.0.1",
+        "symfony/polyfill-ctype": ">=1.37.0",
+        "symfony/polyfill-mbstring": ">=1.38.2",
+        "symfony/polyfill-php80": ">=1.37.0",
+        "vlucas/phpdotenv": ">=5.6.4"
+    }
 }