diff --git a/composer.json b/composer.json
index f045d0a..c00f9af 100644
--- a/composer.json
+++ b/composer.json
@@ -13,12 +13,12 @@
         "forum": "https://discourse.laminas.dev/"
     },
     "require": {
-        "php": "~8.1.0 || ~8.2.0 || ~8.3.0"
+        "php": "~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0"
     },
     "require-dev": {
         "laminas/laminas-coding-standard": "~2.5.0",
         "phpunit/phpunit": "^10.5.5",
-        "psalm/plugin-phpunit": "^0.18.4",
+        "psalm/plugin-phpunit": "^0.19.0",
         "vimeo/psalm": "^5.18.0"
     },
     "autoload": {