```ruby
class AndroidStudio < Cask
  url 'http://dl.google.com/dl/android/studio/ide-zips/0.5.8/android-studio-ide-135.1155795-mac.zip'
  homepage 'https://developer.android.com/sdk/installing/studio.html'
  version '0.5.8 build-135.1155795'
  sha256 '5209b2a01d42d8102e31cbe1c41bb8554cd0617414c08bfc276b62f9bae11e40'
  link 'Android Studio.app'
end
```

Upgrade Android Studio.app to v0.5.9 135.1195882
user
```ruby
class AndroidStudio < Cask
  url 'http://dl.google.com/dl/android/studio/ide-zips/0.5.9/android-studio-ide-135.1195882-mac.zip'
  homepage 'https://developer.android.com/sdk/installing/studio.html'
  version '0.5.9 build-135.1195882'
  sha256 '893f1bca9ade391a171f40eaaa15b407934f9a25bf46bb16a90ba39faa3b165c'
  link 'Android Studio.app'
end
```
assistant