diff --git a/composer.json b/composer.json
index 6829a2d..1480bae 100644
--- a/composer.json
+++ b/composer.json
@@ -40,7 +40,7 @@
         "ramsey/conventional-commits": "^1.3",
         "roave/security-advisories": "dev-latest",
         "spatie/phpunit-snapshot-assertions": "^4.2",
-        "vimeo/psalm": "~5.4.0"
+        "vimeo/psalm": "~5.6.0"
     },
     "minimum-stability": "dev",
     "prefer-stable": true,