diff --git a/composer.json b/composer.json
index c4d46d5..ba1b2b2 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
     },
     "require-dev": {
         "doctrine/coding-standard": "^12.0.0",
-        "phpunit/phpunit": "^10.5.41",
+        "phpunit/phpunit": "^11.5.5",
         "psalm/plugin-phpunit": "^0.18.4",
         "roave/security-advisories": "dev-latest",
         "vimeo/psalm": "^5.26.1"