```ruby
class Xact < Cask
  url 'http://xact.scottcbrown.org/xACT2.28.zip'
  homepage 'http://xact.scottcbrown.org'
  version '2.28'
  sha256 '0296e366f6b7f0a35ef6d1707695b67b8299efa678071f82a877000f4587d3d3'
  link 'xACT 2.28/xACT.app'
end
```

Update xACT 2.28 to 2.29
user
```ruby
class Xact < Cask
  url 'http://xact.scottcbrown.org/xACT2.29.zip'
  homepage 'http://xact.scottcbrown.org'
  version '2.29'
  sha256 'bc8805f94b9f2320da64ca23b53e1b029fd65920ded2bc56c0291f0a73866674'
  link 'xACT 2.29/xACT.app'
end
```
assistant