diff --git a/composer.json b/composer.json
index 20c8d79..04a2c3c 100644
--- a/composer.json
+++ b/composer.json
@@ -30,7 +30,7 @@
     },
     "require-dev": {
         "monolog/monolog": "^3.2",
-        "phpunit/phpunit": "^9.5 || ^10.0",
+        "phpunit/phpunit": "^9.5 || ^10.0 || ^12.0",
         "symfony/var-dumper": "^6.2 || ^7.0 || ^8.0",
         "mockery/mockery": "^1.6",
         "friendsofphp/php-cs-fixer": "^3.20"