diff --git a/composer.json b/composer.json
index e433643..9f8465b 100644
--- a/composer.json
+++ b/composer.json
@@ -30,7 +30,7 @@
         "phpstan/phpstan-doctrine": "^1.0",
         "phpstan/phpstan-phpunit": "^1.0",
         "phpstan/phpstan-symfony": "^1.0",
-        "phpunit/phpunit": "^8.5.39 || ^9.6.20 || ^10.0",
+        "phpunit/phpunit": "^8.0 || ^9.6.20 || ^10.0",
         "symfony/browser-kit": "^4.4 || ^5.4 || ^6.0 || ^7.0",
         "symfony/dotenv": "^4.4 || ^5.4 || ^6.0 || ^7.0",
         "symfony/form": "^4.4 || ^5.4 || ^6.0 || ^7.0",