diff --git a/composer.json b/composer.json
index 08f3d7e..4d2496f 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
     },
     "require-dev": {
         "squizlabs/php_codesniffer": "3.6.1",
-        "phpunit/phpunit": "9.5.10",
+        "phpunit/phpunit": "11.0.0",
         "clivern/phpcs": "1.0.2"
     },
     "autoload": {