npm error: notarget No compatible version found: babel-loader@next

Here is the entry in my package.json file:

"devDependencies": {
    ...
    "babel-loader": "next",
    ...
}

and here is the full npm install output:

npm ERR! node v6.10.2
npm ERR! npm  v4.0.3
npm ERR! code ETARGET

npm ERR! notarget No compatible version found: babel-loader@next
npm ERR! notarget Valid install targets:
npm ERR! notarget 7.0.0, 7.0.0-beta.1, 7.0.0-alpha.3, 7.0.0-alpha.2, 7.0.0-alpha.1, 6.4.1, 6.4.0, 6.3.2, 6.3.1, 6.3.0, 6.2.10, 6.2.9, 6.2.8, 6.2.7, 6.2.6, 6.2.5, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0, 6.1.0, 6.0.1, 6.0.0, 5.4.2, 5.4.1, 5.4.0, 5.3.3, 5.3.2, 5.3.1, 5.3.0, 5.2.2, 5.2.1, 5.2.0, 5.1.4, 5.1.3, 5.1.2, 5.1.0, 5.0.0, 4.3.0, 4.2.0, 4.1.0, 4.0.0
npm ERR! notarget
npm ERR! notarget This is most likely not a problem with npm itself.
npm ERR! notarget In most cases you or one of your dependencies are requesting
npm ERR! notarget a package version that doesn't exist.
npm ERR! notarget
npm ERR! notarget It was specified as a dependency of 'skeleton-esnext-webpack'
npm ERR! notarget

Thanks for all help in advance.

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