```ruby
class Jabref < Cask
  url 'http://downloads.sourceforge.net/project/jabref/jabref/2.9.2/JabRef-2.9.2-OSX.zip'
  homepage 'http://jabref.sourceforge.net/'
  version '2.9.2'
  sha256 'f4e6b74e87cf56e3d8a09228c2876588fff2fa152f9d033fb11c7b0d1bc2b40b'
  link 'JabRef.app'
end
```

Update of JabRef to version 2.10
user
```ruby
class Jabref < Cask
  url 'http://downloads.sourceforge.net/project/jabref/jabref/2.10/JabRef-2.10-OSX.zip'
  homepage 'http://jabref.sourceforge.net/'
  version '2.10'
  sha256 'c63a49e47a43bdb026dde7fb695210d9a3f8c0e71445af7d6736c5379b23baa2'
  link 'JabRef.app'
end
```
assistant