diff --git a/composer.json b/composer.json
index 23eeb44..efd67b5 100644
--- a/composer.json
+++ b/composer.json
@@ -34,7 +34,7 @@
     "require-dev": {
         "laminas/laminas-coding-standard": "~2.5.0",
         "mikey179/vfsstream": "~1.6.10",
-        "phpunit/phpunit": "~10.0.0",
+        "phpunit/phpunit": "~11.0.0",
         "rector/rector": "^0.15",
         "roave/security-advisories": "dev-latest",
         "vimeo/psalm": "~5.9.0"