diff --git a/composer.json b/composer.json
index 0776d17..3fa85a3 100644
--- a/composer.json
+++ b/composer.json
@@ -25,7 +25,7 @@
         "enlightn/security-checker": "^1.10 || ^2.0",
         "guzzlehttp/guzzle": "^6.5.8 || ^7.4.5",
         "guzzlehttp/psr7": "^1.9.1 || ^2.4.5",
-        "phpunit/phpunit": "^9.0",
+        "phpunit/phpunit": "^11.4",
         "symfony/mailer": "^6.0 || ^7.0"
     },
     "config": {