```ruby
class Vlc < Cask
  homepage 'http://www.videolan.org/vlc/'
  url 'http://downloads.sourceforge.net/project/vlc/2.0.5/macosx/vlc-2.0.5.dmg'
  version '2.0.5'
  sha1 'f2d3b240d012f9de6b5f1042a43dccca2c90a0e4'

  link :app, 'VLC.app'
end
```

Update VLC cask to 2.0.6
user
```ruby
class Vlc < Cask
  homepage 'http://www.videolan.org/vlc/'
  url 'http://downloads.sourceforge.net/project/vlc/2.0.6/macosx/vlc-2.0.6.dmg'
  version '2.0.6'
  sha1 '65742a2194185790925a4dcd6105ca27eb3e386a'
  link :app, 'VLC.app'
end
```
assistant