Error on webpack with babel

error.log

/Users/a-tanaka/.nodebrew/current/bin/npm run webpack -- --config ./webpack.config.js

> webpack-hello@1.0.0 webpack /Users/a-tanaka/booster
> webpack --watch "--config" "./webpack.config.js"


Webpack is watching the files…

Hash: 4f6ee5333597035827a3
Version: webpack 3.8.1
Time: 48ms

ERROR in Entry module not found: Error: Can't resolve 'babel' in '/Users/a-tanaka/booster'
BREAKING CHANGE: It's no longer allowed to omit the '-loader' suffix when using loaders.
                 You need to specify 'babel-loader' instead of 'babel',
                 see https://webpack.js.org/guides/migrating/#automatic-loader-module-name-extension-removed

main.js

class Hoge {}
console.log(new Hoge());

Makefile

NPM=$(shell which npm)

install: $(NPM)
	$(NPM) install

webpack: $(NPM)
	$(NPM) run webpack -- --config ./webpack.config.js

webpack/correct: $(NPM)
	$(NPM) run webpack -- --config ./webpack.config.corrent.js

package.json

{
  "name": "webpack-hello",
  "version": "1.0.0",
  "description": "hello world with webpack",
  "main": "index.js",
  "scripts": {
    "webpack": "webpack --watch"
  },
  "author": "",
  "license": "MIT",
  "dependencies": {
    "babel-core": "^6.26.0",
    "babel-loader": "^7.1.2",
    "babel-preset-es2015": "^6.24.1",
    "webpack": "3.8.1"
  }
}

webpack.config.corrent.js

module.exports = {
    entry: {
        main :__dirname + "/main.js",
    },
    output: {
        path: __dirname + '/dist/',
        filename: '[name].bundle.js'
    },
    module: {
        loaders: [
            {
                test: /\.js$/,
                exclude: /node_modules/,
                loader: 'babel-loader'
            }
        ]
    },
    resolve: {
        extensions: ['*', '.js']
    }
};

webpack.config.js

module.exports = {
    entry: {
        main :__dirname + "/main.js",
    },
    output: {
        path: __dirname + '/dist/',
        filename: '[name].bundle.js'
    },
    module: {
        loaders: [
            {
                test: /\.js$/,
                exclude: /node_modules/,
                loader: 'babel'
            }
        ]
    },
    resolve: {
        extensions: ['*', '.js']
    }
};