{
    "require": {
        "aws/aws-sdk-php": "^3.180",
        "guzzlehttp/guzzle": "6.*",
        "symfony/polyfill-intl-idn" : "1.20.*",
        "symfony/polyfill-intl-normalizer" : "1.20.*",
        "symfony/polyfill-mbstring" : "1.20.*"
    },
    "replace": {
        "symfony/polyfill-php56": "*",
        "symfony/polyfill-php70": "*",
        "symfony/polyfill-php71": "*",
        "symfony/polyfill-php72": "*",
        "symfony/polyfill-php73": "*",
        "symfony/polyfill-php74": "*",
        "symfony/polyfill-mbstring": "*"
    }
}