{
    "name": "poker-player-javascript",
    "description": "Javascript player from lean poker. http://leanpoker.org",
    "version": "0.0.2",
    "private": true,
    "dependencies": {
        "express": "4.x",
        "body-parser": "1.15.2"
    }
}
{
    "name": "poker-player-javascript",
    "description": "Javascript player from lean poker. http://leanpoker.org",
    "version": "0.0.2",
    "engines": {
        "node": "<4"
    },
    "private": true,
    "dependencies": {
        "express": "4.x",
        "body-parser": "1.15.2"
    }
}

Update engines dependency to Node.js prior 4
Update engines dependency to Node.js prior 4