diff --git a/composer.json b/composer.json
index 8a6e6fd..f4050a3 100644
--- a/composer.json
+++ b/composer.json
@@ -38,7 +38,7 @@
     "require-dev": {
         "codelicia/xulieta": "1.0.x-dev as 1.0.0",
         "doctrine/coding-standard": "^12.0",
-        "phpunit/phpunit": "^10.0"
+        "phpunit/phpunit": "^12.0"
     },
     "scripts": {
         "phpcbf": "vendor/bin/phpcbf",