"Cannot read property 'mergeConfig' of undefined" error while Installing VueJS

On Installing VueJS while running Gulp in Laravel Project, I get following:

Me-MBP:simpleb2b AdnanAhmad$ gulp build
/Applications/MAMP/htdocs//myProject//node_modules/laravel-elixir-vue/main.js:4
    Elixir.webpack.mergeConfig({
                  ^

TypeError: Cannot read property 'mergeConfig' of undefined
    at /Applications/MAMP/htdocs//myProject/node_modules/laravel-elixir-vue/main.js:4:19
    at /Applications/MAMP/htdocs//myProject//node_modules/laravel-elixir/dist/index.js:29:16
    at Array.forEach (native)
    at global.Elixir (/Applications/MAMP/htdocs//myProject//node_modules/laravel-elixir/dist/index.js:28:24)
    at Object.<anonymous> (/Applications/MAMP/htdocs//myProject//gulpfile.js:16:1)
    at Module._compile (module.js:541:32)
    at Object.Module._extensions..js (module.js:550:10)
    at Module.load (module.js:458:32)
    at tryModuleLoad (module.js:417:12)
    at Function.Module._load (module.js:409:3)

via Chebli Mohamed