diff --git a/composer.json b/composer.json
index 1c58b7d..fb5fc3b 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
     "phpstan/phpstan-phpunit": "^1.3",
     "jangregor/phpstan-prophecy": "^1.0",
     "phpspec/prophecy-phpunit": "^2.1",
-    "phpunit/phpunit": "^10.5 || ^11.0"
+    "phpunit/phpunit": "^10.5 || ^11.0 || ^12.0"
   },
   "require-dev": {
     "roave/security-advisories": "dev-latest"