diff --git a/composer.json b/composer.json
index 2e2b67f..36abcec 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,7 @@
         "nikic/php-parser": "~4.18"
     },
     "require-dev": {
-        "phpunit/phpunit": "~9.6",
+        "phpunit/phpunit": "~13.0",
         "phpstan/phpstan": "^2.0"
     },
     "autoload": {