Should this be updated to 1.6.2 like the one on zipcode? https://github.com/duckduckgo/zeroclickinfo-spice/blob/bttf/share/spice/zipcode/zipcode.js#L2

```js
nrj('/js/mapbox/mapbox-1.6.2.js', 1);
nrc('/js/mapbox/mapbox-1.6.2.css', 1);
```