diff --git a/composer.json b/composer.json
index fb9172a..7f2e01d 100644
--- a/composer.json
+++ b/composer.json
@@ -32,7 +32,7 @@
     },
     "require-dev": {
         "doctrine/coding-standard": "^12.0.0",
-        "phpunit/phpunit": "^10.5.9",
+        "phpunit/phpunit": "^11.0.0",
         "psalm/plugin-phpunit": "^0.18.4",
         "squizlabs/php_codesniffer": "^3.8.1",
         "vimeo/psalm": "^5.20"