diff --git a/composer.json b/composer.json
index a6537d0..30fc75f 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
         }
     },
     "require": {
-        "php": "~8.0.0 || ~8.1.0 || ~8.2.0",
+        "php": "~8.0.0 || ~8.1.0 || ~8.2.0 || ~8.3.0",
         "ext-json": "*",
         "composer/semver": "^1.4 || ^2.0 || ^3.0",
         "laminas/laminas-zendframework-bridge": "^1.4.1",
@@ -20,8 +20,8 @@
     },
     "require-dev": {
         "laminas/laminas-coding-standard": "~2.5.0",
-        "phpunit/phpunit": "9.6.10",
-        "psalm/plugin-phpunit": "^0.18.0",
+        "phpunit/phpunit": "9.6.21",
+        "psalm/plugin-phpunit": "^0.19.0",
         "roave/security-advisories": "dev-master",
         "vimeo/psalm": "^5.0.0"
     },