npm WARN grunt-angular-translate@0.3.0 requires a peer of grunt@~0.4.0

 When i do `npm install`, i get warning;

`npm WARN grunt-angular-translate@0.3.0 requires a peer of grunt@~0.4.0 but none was installed.`

My dependencies looks like:
```
{
    "angular": "1.5.9",
    "grunt": "^1.0.1",
    "grunt-angular-translate": "^0.3.0",
}
```

### Your environment
* version of angular-translate
0.3.0
* version of angular
"1.5.9"