diff --git a/composer.json b/composer.json
index ec8b83c..12233c2 100644
--- a/composer.json
+++ b/composer.json
@@ -41,7 +41,7 @@
         "mikey179/vfsstream": "2.0.x-dev",
         "phpunit/phpunit": "^10.5.38",
         "psalm/plugin-phpunit": "^0.19.0",
-        "vimeo/psalm": "^5.26.1"
+        "vimeo/psalm": "^6.0.0"
     },
     "autoload": {
         "psr-4": {