diff --git a/composer.json b/composer.json
index c8f28db..473351f 100644
--- a/composer.json
+++ b/composer.json
@@ -15,12 +15,12 @@
     }
   ],
   "require": {
-    "php": "^7.2",
+    "php": "^7.2 || ^8.0",
     "ext-redis": "^5.0.1",
     "myclabs/php-enum": "^1.7"
   },
   "require-dev": {
-    "phpunit/phpunit": "^8.4",
+    "phpunit/phpunit": "^8.4 || ^9.5",
     "squizlabs/php_codesniffer": "^3.5.0"
   },
   "autoload": {