diff --git a/composer.json b/composer.json
index a5dad19..5187ca1 100644
--- a/composer.json
+++ b/composer.json
@@ -33,7 +33,7 @@
     "minimum-stability": "dev",
     "prefer-stable": true,
     "require": {
-        "php": "~8.1.0 || ~8.2.0 || ~8.3.0",
+        "php": "~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0",
         "laminas/laminas-eventmanager": "^3.0",
         "laminas/laminas-mvc": "^3.0",
         "laminas/laminas-servicemanager": "^3.0",
@@ -42,7 +42,7 @@
     "require-dev": {
         "laminas/laminas-authentication": "^2.2",
         "laminas/laminas-coding-standard": "^2.5.0",
-        "phpunit/phpunit": "10.5.38",
+        "phpunit/phpunit": "10.5.40",
         "phpspec/prophecy-phpunit": "^2.0",
         "psalm/plugin-phpunit": "^0.19.0",
         "vimeo/psalm": "^5.25"