express throws error as `body-parser deprecated undefined extended`

In my node app, I am using express. all works fine, But i am getting error in the cmd. I use all are updated modules...

my code :

var express = require('express');var bodyParser = require('body-parser');var jade = require('jade');var app = express();app.set('view engine', 'jade');app.set('views', __dirname +'/views');app.use(express.static(__dirname +'/public'));app.use(bodyParser.json()); // to support JSON-encoded bodiesapp.use(bodyParser.urlencoded()); // to support URL-encoded bodiesapp.get('/',function(req,res){    res.render('index.jade');});app.get('/login',function(req,res){    res.render('index.jade');});app.post('/login',function(req,res){    console.log(req.body);});app.get('/signup',function(req,res){    res.render('signup.jade');});var env = process.env.PORT || 3000;app.listen(env, function(req, res){    console.log('i am working!');});

Error:

D:\myLogin>node appbody-parser deprecated undefined extended: provide extended option app.js:11:20 //why i am getting this?i am working!{ username: 'jbarif@gmail.com', password: 'pass' } // i am getting response

Can any help me to understand this issue please?