diff --git a/composer.json b/composer.json
index 89c8293..d3ca309 100644
--- a/composer.json
+++ b/composer.json
@@ -45,7 +45,7 @@
         "laminas/laminas-coding-standard": "~3.1.0",
         "phpunit/phpunit": "^10.5.38",
         "psalm/plugin-phpunit": "^0.19.0",
-        "vimeo/psalm": "^5.26.1"
+        "vimeo/psalm": "^6.0.0"
     },
     "suggest": {
         "aist/aist-git-tools": "Show you information about current GIT repository",