diff --git a/composer.json b/composer.json
index 168aa23..e9475bc 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,9 @@
             "email": "dustin@dustinwilson.com"
         }
     ],
-    "require": {},
+    "require": {
+        "php": ">=8.1"
+    },
     "require-dev": {
         "phpunit/phpunit": "^9.5",
         "nikic/php-parser": "^4.15"