The package webpack@1.13.1 does not satisfy its siblings' peerDependencies requirements!

[jrichardsz]

after npm install command, I got this error:

$ npm install
npm ERR! Windows_NT 6.1.7601
npm ERR! argv "C:\Program Files\nodejs\node.exe" "C:\Program Files\nodejs\node_modules\npm\bin\npm-cli.js" "install"
npm ERR! node v4.6.1
npm ERR! npm v2.15.9
npm ERR! code EPEERINVALID

npm ERR! peerinvalid The package webpack@1.13.1 does not satisfy its siblings' peerDependencies requirements!
npm ERR! peerinvalid Peer extract-text-webpack-plugin@1.0.1 wants webpack@^1.9.11
npm ERR! peerinvalid Peer sass-loader@6.0.1 wants webpack@^2.0.0
npm ERR! peerinvalid Peer webpack-dev-middleware@1.6.1 wants webpack@1 || ^2.1.0-beta
npm ERR! peerinvalid Peer babel-loader@6.3.2 wants webpack@1 || 2 || ^2.1.0-beta || ^2.2.0-rc
npm ERR! peerinvalid Peer html-webpack-plugin@2.22.0 wants webpack@*

npm ERR! Please include the following file with any support request:
npm ERR! C:\Users\myne\Desktop\react-material-admin-template-master\npm-debug.log

Operative System : Windows 7

Thanks