```ruby
class PutioAdder < Cask
  version '2.6.1'
  sha256 'd89aed7a40de99ad3e75ca05995c088c5147282cb387beaaa5c496c5fc9b2307'

  url 'https://github.com/nicoSWD/put.io-adder/releases/download/v2.6.1/put.io.adder.zip'
  homepage 'https://github.com/nicoSWD/put.io-adder'

  link 'put.io adder.app'
end
```

Update put.io adder to 2.7
user
```ruby
class PutioAdder < Cask
  version '2.7'
  sha256 'b4ac5fc97da0a8b83e56bd5cac0e1795ce7102aae3a69fb77fa64d9ed2f22c14'

  url 'https://github.com/nicoSWD/put.io-adder/releases/download/v2.7/put.io-adder-v2.7.zip'
  homepage 'https://github.com/nicoSWD/put.io-adder'

  link 'put.io adder.app'
end
```
assistant