diff --git a/composer.json b/composer.json
index beac518..32f6214 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
         "cakephp/cakephp": "^5.1"
     },
     "require-dev": {
-        "phpunit/phpunit": "^10.1",
+        "phpunit/phpunit": "^10.3",
         "cakephp/migrations": "^4.0.0",
         "phpstan/phpstan": "^2.1",
         "dereuromark/composer-prefer-lowest": "^0.1.10",