{
    "require": {
        "drush/drush": "7.4.0"
    },
    "repositories": {
        "drupal": {
            "type": "composer",
            "url": "https://packages.drupal.org/7"
        }
    }
}
{
    "require": {
        "drush/drush": "8.1.12"
    },
    "repositories": {
        "drupal": {
            "type": "composer",
            "url": "https://packages.drupal.org/7"
        }
    }
}
Update in-the-box Drush from 7.4.0 to 8.1.12
Update in-the-box Drush from 7.4.0 to 8.1.12
