```ruby
class RadiantPlayer < Cask
  url 'https://github.com/kbhomes/google-music-mac/releases/download/v1.2.0/Radiant.Player.zip'
  homepage 'http://kbhomes.github.io/google-music-mac/'
  version '1.2.0'
  sha256 '7a9a0d7b1a17cee599012f216cc285bcabe6a1005ddb87d531e7a44875a67131'
  link 'Radiant Player.app'
end
```

Upgrade radiant player to v1.2.1
user
```ruby
class RadiantPlayer < Cask
  url 'https://github.com/kbhomes/google-music-mac/releases/download/v1.2.1/Radiant.Player.zip'
  homepage 'http://kbhomes.github.io/google-music-mac/'
  version '1.2.1'
  sha256 'dc1ed98170e05c430779f527191717cb412e74f398324878286df4a2bbad79d4'
  link 'Radiant Player.app'
end
```
assistant