Chrome will automatically update Bonfire's extension to the latest once it is made available. Alternatively, you can force Chrome to check for an update of Bonfire for Firefox. To do this:
- Click on the spanner in the top right of Chrome
- Go to 'Tools' -> 'Extensions'
- In Chrome's extension manager, click on 'Developer mode' at the top right of the screen.
- Click 'Update Extensions now'