diff --git a/composer.json b/composer.json
index 58551d9..fdc54c4 100644
--- a/composer.json
+++ b/composer.json
@@ -40,7 +40,7 @@
         "mikey179/vfsstream": "^1.6.11",
         "phpunit/phpunit": "^10.5.35",
         "psalm/plugin-phpunit": "^0.19.0",
-        "vimeo/psalm": "^5.24.0",
+        "vimeo/psalm": "^6.0.0",
         "webmozart/assert": "^1.11.0"
     },
     "autoload": {