diff --git a/composer.json b/composer.json
index 40b2d4f..ff7fd91 100644
--- a/composer.json
+++ b/composer.json
@@ -33,7 +33,7 @@
   "require-dev": {
     "php-di/php-di": "^7.0",
     "phpstan/phpstan": "^2.1",
-    "phpunit/phpunit": "^10.5",
+    "phpunit/phpunit": "^13.0",
     "squizlabs/php_codesniffer": "^3.11",
     "sunrise/http-message": "^3.4",
     "vimeo/psalm": "^6.5"