diff --git a/composer.json b/composer.json
index 8ba8429..2e286f2 100644
--- a/composer.json
+++ b/composer.json
@@ -33,7 +33,7 @@
         "php": "^7.1|^8.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "7.5.20|9.5.0",
+        "phpunit/phpunit": "11.2.6",
         "sunrise/coding-standard": "1.0.0"
     },
     "autoload": {