diff --git a/composer.json b/composer.json
index c313b9d..3fc3f41 100644
--- a/composer.json
+++ b/composer.json
@@ -35,7 +35,7 @@
         "phpunit/phpunit": "^10.5 || ^11.5",
         "rector/rector": "^2.0",
         "roave/security-advisories": "dev-latest",
-        "vimeo/psalm": "^6.0"
+        "vimeo/psalm": "^5.0 || ^6.0"
     },
     "require-dev": {
         "codeigniter4/framework": "^4.1",