diff --git a/composer.json b/composer.json
index e735aa2..1fb6fe5 100644
--- a/composer.json
+++ b/composer.json
@@ -38,7 +38,7 @@
     "require-dev": {
         "phpstan/phpstan": "^2.1",
         "phpstan/phpstan-phpunit": "^2.0",
-        "phpunit/phpunit": "^11.5.42",
+        "phpunit/phpunit": "^13.0.0",
         "roave/security-advisories": "dev-master",
         "webware/coding-standard": "^0.1.0",
         "webware/command-bus": "^0.5.0"