diff --git a/composer.json b/composer.json
index 21ceffb..0418c55 100644
--- a/composer.json
+++ b/composer.json
@@ -40,7 +40,7 @@
     },
     "require-dev": {
         "laminas/laminas-coding-standard": "~2.5.0",
-        "phpunit/phpunit": "^10.5.5",
+        "phpunit/phpunit": "^11.0.0",
         "psalm/plugin-phpunit": "^0.18.4",
         "vimeo/psalm": "^5.18.0"
     },