error in run composer require , minimum-stability

hello every one i create first package in laravel and upload on packagist.org after run composer require mhk67/adminlte give below error: Could not find a version of package mhk67/adminlte matching your minimum-stability (stable). Require it with an explicit version constraint allowing its desired stability.

i put below line on composer.json but have error

"minimum-stability": "dev", "prefer-stable": true,