diff --git a/composer.json b/composer.json
index f2127ef..a3ab123 100644
--- a/composer.json
+++ b/composer.json
@@ -19,6 +19,6 @@
       "symfony/http-foundation": "^4.4.9 || ^6.2.7"
     },
     "require-dev": {
-        "phpunit/phpunit": "7.5.20"
+        "phpunit/phpunit": "11.3.0"
     }
 }