diff --git a/composer.json b/composer.json
index 9c42ae9..668b0f2 100644
--- a/composer.json
+++ b/composer.json
@@ -31,7 +31,7 @@
     "require-dev": {
         "laminas/laminas-coding-standard": "^2.5",
         "laminas/laminas-config": "^3.8.0",
-        "phpunit/phpunit": "^10.1.2",
+        "phpunit/phpunit": "^11.0.0",
         "psalm/plugin-phpunit": "^0.18.4",
         "vimeo/psalm": "^5.17"
     },