diff --git a/composer.json b/composer.json
index f335804..aa529b8 100644
--- a/composer.json
+++ b/composer.json
@@ -30,7 +30,7 @@
         "phpmd/phpmd": "^2.9",
         "squizlabs/php_codesniffer": "^3.5",
         "mikey179/vfsstream": "^1.6",
-        "vimeo/psalm": "^4.3",
+        "vimeo/psalm": "^4.3 || ^5.0",
         "phpro/grumphp": "^0.19 || ^1.2.0",
         "codeception/codeception": "^4.1"
     },