diff --git a/composer.json b/composer.json
index 27388244..02bcd2c5 100644
--- a/composer.json
+++ b/composer.json
@@ -30,7 +30,7 @@
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3",
-        "phpunit/phpunit": "^9 || 10.2.*",
+        "phpunit/phpunit": "^9 || 10.2.* || 10.4.*",
         "guzzlehttp/psr7": "^2",
         "php-mock/php-mock-phpunit": "^2.6",
         "phpstan/phpstan": "^1.10"