namshi / jose 5.0.2需要lib-openssl *

Question

    "require": {
         "php": ">=5.5.9",
         "namshi/jose": "5.0.*",
         "laravel/framework": "5.2.*",
         "tymon/jwt-auth": "0.5.*",
         "dingo/api": "1.0.*@dev",
         "barryvdh/laravel-cors": "^0.7.1"
    },

在作曲家安装上

我收到错误

  

namshi / jose 5.0.2需要lib-openssl * - ＆gt;请求链接   库openssl安装了错误的版本或缺少版本   你的系统，确保有扩展提供它。