```ruby
class BluRayPlayer < Cask
  version '2.10.2'
  sha256 '23105d6b8703b9ded387ba13b09d7e1b50d5bbb563fd91a7492a7ee7fd0de2bf'

  url 'http://www.macblurayplayer.com/user/download/Mac_Bluray_Player.dmg'
  homepage 'http://www.macblurayplayer.com/'

  link 'Blu-ray Player.app'
end
```

Upgrade Blu-ray Player.app to v2.10.4
user
```ruby
class BluRayPlayer < Cask
  version '2.10.4'
  sha256 '76e9731115b3305ba21f5c451f90d2123fd357defca8206a496a8f9b63480cc1'

  url 'http://www.macblurayplayer.com/user/download/Mac_Bluray_Player.dmg'
  homepage 'http://www.macblurayplayer.com/'

  link 'Blu-ray Player.app'
end
```
assistant