求助，怎样能将 Laravel5.5 升级到 6.0

我的扩展

"require": {
        "php": ">=7.0.0",
        "aliyuncs/oss-sdk-php": "^2.3",
        "barryvdh/laravel-snappy": "^0.4.4",
        "fideloper/proxy": "~3.3",
        "h4cc/wkhtmltoimage-amd64": "0.12.x",
        "h4cc/wkhtmltopdf-amd64": "0.12.x",
        "intervention/image": "^2.4",
        "jaeger/querylist": "^4.1",
        "jaeger/querylist-phantomjs": "^4.0",
        "laravel/framework": "5.5.*",
        "laravel/tinker": "~1.0",
        "maatwebsite/excel": "^3.1",
        "mrgoon/aliyun-sms": "dev-master",
        "overtrue/laravel-wechat": "~4.0",
        "predis/predis": "^1.1",
        "rap2hpoutre/laravel-log-viewer": "^1.4",
        "simplesoftwareio/simple-qrcode": "^2.0",
        "swooletw/laravel-swoole": "^2.6",
        "tymon/jwt-auth": "1.0.0-rc.2",
        "workerman/workerman": "^3.5",
        "yansongda/laravel-pay": "^2.0"
    },

求给一个可行的升级简要路线