diff --git a/composer.json b/composer.json
index 5eb60b8..84e22d1 100644
--- a/composer.json
+++ b/composer.json
@@ -33,7 +33,7 @@
     },
     "require-dev": {
         "phpstan/phpstan": "^2.0",
-        "phpunit/phpunit": "^10.5"
+        "phpunit/phpunit": "^11.5"
     },
     "minimum-stability": "stable",
     "autoload": {