webpack. Ошибка при запуске

webpack.config.js:

const path = require('path');

module.exports = {
    entry: './src/script.js',
    output: {
        mode: 'development',
        filename: 'bundle.js',
	    path: path.resolve(__dirname, 'dist')
    }  
};

Пишу - npx webpack --config webpack.config.js

Ошибка: Invalid configuration object. Webpack has been initialised using a configuration object that does not match the API schema. - configuration.output has an unknown property 'mode'. These properties are valid: object { auxiliaryComment?, chunkCallbackName?, chunkFilename?, chunkLoadTimeout?, crossOriginLoading?, devtoolFallbackModuleFilenameTemplate?, devtoolLineToLine?, devtoolModuleFilenameTemplate?, devtoolNamespace?, filename?, futureEmitAssets?, globalObject?, hashDigest?, hashDigestLength?, hashFunction?, hashSalt?, hotUpdateChunkFilename?, hotUpdateFunction?, hotUpdateMainFilename?, jsonpFunction?, jsonpScriptType?, library?, libraryExport?, libraryTarget?, path?, pathinfo?, publicPath?, sourceMapFilename?, sourcePrefix?, strictModuleExceptionHandling?, umdNamedDefine?, webassemblyModuleFilename? } -> Options affecting the output of the compilation. output options tell webpack how to write the compiled files to disk.