diff --git a/composer.json b/composer.json
index 758e6e2..9c85ae8 100644
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,7 @@
         "jangregor/phpstan-prophecy": "^1.0",
         "phpstan/phpstan": "^1.0",
         "phpstan/phpstan-phpunit": "^1.3",
-        "phpunit/phpunit": "^10.2"
+        "phpunit/phpunit": "^12.0"
     },
     "config": {
         "sort-packages": true,