{
    "require": {
        "horstoeko/zugferd": "^1.0",
        "zetacomponents/mail": "^1.10",
        "num-num/ubl-invoice": "^1.21",
        "php-curl-class/php-curl-class": "^12.0",
        "chillerlan/php-authenticator": "^5.2",
        "endroid/qr-code": "^6.0"
    }
}