```ruby
class Quicksilver < Cask
  url 'http://cdn.qsapp.com/com.blacktree.Quicksilver__16390.dmg'
  homepage 'http://qsapp.com/'
  version '1.1.2'
  sha1 '1957b38994afaf3da54b8eb547395dd407b28698'
  link 'Quicksilver.app'
end
```

Update QuickSilver to version 1.1.3
user
```ruby
class Quicksilver < Cask
  url 'http://cdn.qsapp.com/com.blacktree.Quicksilver__16391.dmg'
  homepage 'http://qsapp.com/'
  version '1.1.3'
  sha1 '87054e36d98b1158f0eea7fd4c87e801b96aee6b'
  link 'Quicksilver.app'
end
```
assistant