Composer 4 Zend Framework 2 - dev

composer.json

{
    "minimum-stability": "dev",
    "repositories": [
        {
            "type": "composer",
            "url": "http://packages.zendframework.com/"
        }
    ],
    "require": {
        "zendframework/zend-di": "2.0.*",
        "zendframework/zend-cache": "2.0.*"
    }
}