```ruby
class Love < Cask
  url 'https://bitbucket.org/rude/love/downloads/love-0.9.0-macosx-x64.zip'
  homepage 'http://love2d.org'
  version '0.9.0'
  sha256 'aabceb10910b271ac85e236ad5937396bd4cf3b8b5c49633839c74693816049a'
  link 'love.app'
end
```

Upgrade Löve to version 0.9.1.
user
```ruby
class Love < Cask
  url 'https://bitbucket.org/rude/love/downloads/love-0.9.1-macosx-x64.zip'
  homepage 'http://love2d.org'
  version '0.9.1'
  sha256 'ce8e31a1bbb5eb628c9edf8a823b877743f2e0fa60ad8ec51db4957a13c09084'
  link 'love.app'
end
```
assistant