diff --git a/composer.json b/composer.json
index f876beb..7f6f964 100644
--- a/composer.json
+++ b/composer.json
@@ -16,10 +16,10 @@
         }
     ],
     "require": {
-        "php": "^7.3"
+        "php": "^7.3 || ^8.0"
     },
     "require-dev": {
-        "symfony/var-dumper": "^4.3 || ^5.1",
+        "symfony/var-dumper": "^4.3 || ^5.1 || ^6.0",
         "phpunit/phpunit": "^8.2 || ^9.3"
     },
     "autoload": {