{
    "name": "omise/payment",
    "version": "2.1.0",
    "type": "magento2-module",
    "license": "MIT",
    "require": {
        "omise/omise-php": "dev-master"
    },
    "autoload": {
        "files": ["registration.php"],
        "psr-4": {
            "Omise\\Payment\\": ""
        }
    }
}

{
    "name": "omise/omise-magento",
    "version": "2.1.0",
    "type": "magento2-module",
    "license": "MIT",
    "require": {
        "omise/omise-php": "dev-master"
    },
    "autoload": {
        "files": ["registration.php"],
        "psr-4": {
            "Omise\\Payment\\": ""
        }
    }
}

Change package name from omise/payment to omise/omise-magento
Change package name from omise/payment to omise/omise-magento
