```ruby
cask :v1 => 'join-together' do
  version '7.5.0'
  sha256 'a6661c05b73fff78e1fcfc4e474e95f732ccc996a5bbae56f390e51a414e6867'

  url "http://dougscripts.com/itunes/scrx/jointogether#{version.delete('.')}.zip"
  name 'Join Together'
  appcast 'http://dougscripts.com/itunes/itinfo/jointogether_appcast.xml',
          :sha256 => '4265e5826859579304b51216b5b675e853b25fda0b1293565a79ff8352a7e363'
  homepage 'http://dougscripts.com/itunes/itinfo/jointogether.php'
  license :commercial

  app 'Join Together.app'
end
```

Update Join Together to 7.5.1
user
```ruby
cask :v1 => 'join-together' do
  version '7.5.1'
  sha256 '116365cb1dae0b3c3a00a90f357e1d154767e6d866e5e18cd32ab3d3f7698d30'

  url "http://dougscripts.com/itunes/scrx/jointogether#{version.delete('.')}.zip"
  name 'Join Together'
  appcast 'http://dougscripts.com/itunes/itinfo/jointogether_appcast.xml',
          :sha256 => '1522384c632e3336f4f3ffe3245135f9f7a7718619e564064139c45ad285ee5b'
  homepage 'http://dougscripts.com/itunes/itinfo/jointogether.php'
  license :commercial

  app 'Join Together.app'
end
```
assistant