diff --git a/composer.json b/composer.json
index b765f8c..e51cd77 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
     "nikic/php-parser": "^5.4"
   },
   "require-dev": {
-    "phpunit/phpunit": "^11.0.7",
+    "phpunit/phpunit": "^13.3.1",
     "phpstan/phpstan": "^2.0",
     "tracy/tracy": "^2.10",
     "rector/rector": "^2.0"