diff --git a/composer.json b/composer.json
index 30ede6a..257c85f 100644
--- a/composer.json
+++ b/composer.json
@@ -38,7 +38,7 @@
         "laminas/laminas-coding-standard": "~2.5.0",
         "phpunit/phpunit": "^9.5.26",
         "psalm/plugin-phpunit": "^0.19.0",
-        "vimeo/psalm": "^5.1"
+        "vimeo/psalm": "^6.0"
     },
     "suggest": {
         "laminas/laminas-i18n-resources": "Translations of captcha messages"