diff --git a/composer.json b/composer.json
index a904437..a9db699 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
     }
   ],
   "require": {
-    "php": ">=7.4",
+    "php": "^7.4 || ^8.0",
     "ext-ctype": "*",
     "symfony/polyfill-php80": "^1.31"
   },