diff --git a/composer.json b/composer.json
index 8294395..3351703 100644
--- a/composer.json
+++ b/composer.json
@@ -36,7 +36,7 @@
   },
   "require-dev": {
     "friendsofphp/php-cs-fixer": "^3.3",
-    "phpunit/phpunit": "^9.5",
+    "phpunit/phpunit": "^13.0",
     "vimeo/psalm": "^4.13",
     "netgen/tagsbundle": "^4.0"
   },