NPMでGruntをインストールしようとするとエラー

###前提・実現したいこと
NPMでGruntをnpm install grunt --save-devでインストールしようとすると以下のように表示されてインストールできません。
ちなみにコマンドラインインターフェイス(grunt-cli)の方はインストール出来ました

###発生している問題・エラーメッセージ

PS D:\programming\node\grunt> npm install grunt --save-dev
npm WARN install Usage of the `--dev` option is deprecated. Use `--only=dev` instead.
npm ERR! code ENOSELF
npm ERR! Refusing to install package with name "grunt" under a package
npm ERR! also called "grunt". Did you name your project the same
npm ERR! as the dependency you're installing?
npm ERR!
npm ERR! For more information, see:
npm ERR!     <https://docs.npmjs.com/cli/install#limitations-of-npms-install-algorithm>

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\Yuta\AppData\Roaming\npm-cache\_logs\2017-05-05T21_34_51_834Z-debug.log

0 info it worked if it ends with ok
1 verbose cli [ 'C:\\Program Files\\nodejs\\node.exe',
1 verbose cli   'C:\\Users\\Yuta\\AppData\\Roaming\\npm\\node_modules\\npm\\bin\\npm-cli.js',
1 verbose cli   'install',
1 verbose cli   'grunt',
1 verbose cli   '--save-dev' ]
2 info using npm@4.5.0
3 info using node@v6.9.5
4 warn install Usage of the `--dev` option is deprecated. Use `--only=dev` instead.
5 silly loadCurrentTree Starting
6 silly install loadCurrentTree
7 silly install readLocalPackageData
8 silly fetchPackageMetaData grunt
9 silly fetchNamedPackageData grunt
10 silly mapToRegistry name grunt
11 silly mapToRegistry using default registry
12 silly mapToRegistry registry https://registry.npmjs.org/
13 silly mapToRegistry data Result {
13 silly mapToRegistry   raw: 'grunt',
13 silly mapToRegistry   scope: null,
13 silly mapToRegistry   escapedName: 'grunt',
13 silly mapToRegistry   name: 'grunt',
13 silly mapToRegistry   rawSpec: '',
13 silly mapToRegistry   spec: 'latest',
13 silly mapToRegistry   type: 'tag' }
14 silly mapToRegistry uri https://registry.npmjs.org/grunt
15 verbose request uri https://registry.npmjs.org/grunt
16 verbose request no auth needed
17 info attempt registry request try #1 at 06:34:51
18 verbose request id 35d3e0cbc4e6cf84
19 verbose etag W/"5908df16-18b04"
20 verbose lastModified Tue, 02 May 2017 19:33:42 GMT
21 http request GET https://registry.npmjs.org/grunt
22 http 304 https://registry.npmjs.org/grunt
23 verbose headers { date: 'Fri, 05 May 2017 21:34:50 GMT',
23 verbose headers   via: '1.1 varnish',
23 verbose headers   'cache-control': 'max-age=300',
23 verbose headers   etag: 'W/"5908df16-18b04"',
23 verbose headers   age: '200',
23 verbose headers   connection: 'keep-alive',
23 verbose headers   'x-served-by': 'cache-nrt6121-NRT',
23 verbose headers   'x-cache': 'HIT',
23 verbose headers   'x-cache-hits': '1',
23 verbose headers   'x-timer': 'S1494020090.151093,VS0,VE0',
23 verbose headers   vary: 'Accept-Encoding' }
24 silly get cb [ 304,
24 silly get   { date: 'Fri, 05 May 2017 21:34:50 GMT',
24 silly get     via: '1.1 varnish',
24 silly get     'cache-control': 'max-age=300',
24 silly get     etag: 'W/"5908df16-18b04"',
24 silly get     age: '200',
24 silly get     connection: 'keep-alive',
24 silly get     'x-served-by': 'cache-nrt6121-NRT',
24 silly get     'x-cache': 'HIT',
24 silly get     'x-cache-hits': '1',
24 silly get     'x-timer': 'S1494020090.151093,VS0,VE0',
24 silly get     vary: 'Accept-Encoding' } ]
25 verbose etag https://registry.npmjs.org/grunt from cache
26 verbose get saving grunt to C:\Users\Yuta\AppData\Roaming\npm-cache\registry.npmjs.org\grunt\.cache.json
27 verbose correctMkdir C:\Users\Yuta\AppData\Roaming\npm-cache correctMkdir not in flight; initializing
28 silly install normalizeTree
29 silly loadCurrentTree Finishing
30 silly loadIdealTree Starting
31 silly install loadIdealTree
32 silly cloneCurrentTree Starting
33 silly install cloneCurrentTreeToIdealTree
34 silly cloneCurrentTree Finishing
35 silly loadShrinkwrap Starting
36 silly install loadShrinkwrap
37 silly loadShrinkwrap Finishing
38 silly loadAllDepsIntoIdealTree Starting
39 silly install loadAllDepsIntoIdealTree
40 silly rollbackFailedOptional Starting
41 silly rollbackFailedOptional Finishing
42 silly runTopLevelLifecycles Finishing
43 silly install printInstalled
44 verbose stack Error: Refusing to install package with name "grunt" under a package
44 verbose stack also called "grunt". Did you name your project the same
44 verbose stack as the dependency you're installing?
44 verbose stack
44 verbose stack For more information, see:
44 verbose stack     <https://docs.npmjs.com/cli/install#limitations-of-npms-install-algorithm>
44 verbose stack     at checkSelf (C:\Users\Yuta\AppData\Roaming\npm\node_modules\npm\lib\install\validate-args.js:53:14)
44 verbose stack     at Array.<anonymous> (C:\Users\Yuta\AppData\Roaming\npm\node_modules\npm\node_modules\slide\lib\bind-actor.js:15:8)
44 verbose stack     at LOOP (C:\Users\Yuta\AppData\Roaming\npm\node_modules\npm\node_modules\slide\lib\chain.js:15:14)
44 verbose stack     at chain (C:\Users\Yuta\AppData\Roaming\npm\node_modules\npm\node_modules\slide\lib\chain.js:20:5)
44 verbose stack     at C:\Users\Yuta\AppData\Roaming\npm\node_modules\npm\lib\install\validate-args.js:16:5
44 verbose stack     at C:\Users\Yuta\AppData\Roaming\npm\node_modules\npm\node_modules\slide\lib\async-map.js:52:35
44 verbose stack     at Array.forEach (native)
44 verbose stack     at C:\Users\Yuta\AppData\Roaming\npm\node_modules\npm\node_modules\slide\lib\async-map.js:52:11
44 verbose stack     at Array.forEach (native)
44 verbose stack     at asyncMap (C:\Users\Yuta\AppData\Roaming\npm\node_modules\npm\node_modules\slide\lib\async-map.js:51:8)
44 verbose stack     at module.exports (C:\Users\Yuta\AppData\Roaming\npm\node_modules\npm\lib\install\validate-args.js:15:3)
44 verbose stack     at Array.<anonymous> (C:\Users\Yuta\AppData\Roaming\npm\node_modules\npm\node_modules\slide\lib\bind-actor.js:15:8)
44 verbose stack     at LOOP (C:\Users\Yuta\AppData\Roaming\npm\node_modules\npm\node_modules\slide\lib\chain.js:15:14)
44 verbose stack     at chain (C:\Users\Yuta\AppData\Roaming\npm\node_modules\npm\node_modules\slide\lib\chain.js:20:5)
44 verbose stack     at Object.Installer.loadAllDepsIntoIdealTree (C:\Users\Yuta\AppData\Roaming\npm\node_modules\npm\lib\install.js:408:3)
44 verbose stack     at Array.<anonymous> (C:\Users\Yuta\AppData\Roaming\npm\node_modules\npm\node_modules\slide\lib\bind-actor.js:15:8)
45 verbose cwd D:\programming\node\grunt
46 verbose Windows_NT 10.0.15063
47 verbose argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Users\\Yuta\\AppData\\Roaming\\npm\\node_modules\\npm\\bin\\npm-cli.js" "install" "grunt" "--save-dev"
48 verbose node v6.9.5
49 verbose npm  v4.5.0
50 error code ENOSELF
51 error Refusing to install package with name "grunt" under a package
51 error also called "grunt". Did you name your project the same
51 error as the dependency you're installing?
51 error
51 error For more information, see:
51 error     <https://docs.npmjs.com/cli/install#limitations-of-npms-install-algorithm>
52 verbose exit [ 1, true ]

###試したこと