diff --git a/composer.json b/composer.json
index 31c0fa9..9e6bfcf 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
         "interaction-design-foundation/coding-standard": "^0.3.0",
         "orchestra/testbench-core": "^8.22 || ^v9.7",
         "phpunit/phpunit": "^10.5 || ^11.0",
-        "vimeo/psalm": "^5.22"
+        "vimeo/psalm": "^6.0"
     },
     "repositories": [
         {