diff --git a/composer.json b/composer.json
index 80e681c..2801d35 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
     },
     "require-dev": {
         "symfony/var-dumper": "^5.4",
-        "phpunit/phpunit": "^9.0",
+        "phpunit/phpunit": "^11.4",
         "friendsofphp/php-cs-fixer": "^3.11"
     },
     "autoload": {