```ruby
class FontFiraMono < Cask
  url 'http://dev.carrois.com/wordpress/wp-content/uploads/downloads/fira_3105/FiraMono3105.zip'
  homepage 'http://dev.carrois.com/fira-3-1/'
  version '3.105'
  sha256 '13e70891bbf2e479b9d379539b780224c8214362d9cb18c5618ea313a19a498d'
  font 'FiraMono3105/OTF/FiraMono-Regular.otf'
  font 'FiraMono3105/OTF/FiraMono-Bold.otf'
end
```

Update Fira Mono to 3.106
user
```ruby
class FontFiraMono < Cask
  url 'http://dev.carrois.com/wordpress/wp-content/uploads/downloads/fira_3_1/FiraMono3106.zip'
  homepage 'http://dev.carrois.com/fira-3-1/'
  version '3.106'
  sha256 '1c0aca0b346f3353c8cbb52dcbe0e98986ab76e3b50c9021547d328c4320803a'
  font 'FiraMono3106/OTF/FiraMono-Bold.otf'
  font 'FiraMono3106/OTF/FiraMono-Regular.otf'
end
```
assistant