diff --git a/composer.json b/composer.json
index b3178c6..7493392 100644
--- a/composer.json
+++ b/composer.json
@@ -28,7 +28,7 @@
     },
     "require-dev": {
         "doctrine/coding-standard": "^12.0.0",
-        "phpunit/phpunit": "^10.5.38",
+        "phpunit/phpunit": "^11.5.0",
         "psalm/plugin-phpunit": "^0.19.0",
         "symfony/yaml": "^7.2.0",
         "vimeo/psalm": "^5.26.1"