- 2018-06-22 3.0.0 Update to Ruby 2.5, testing gems, etc.
- 2015-07-18 2.0.2 Improve quality assurance
- 2015-07-07 2.0.1 Update gemspec to use file manifest
- 2012-03-17 2.0.0 Upgrade for Ruby 1.9.3, minitest/spec, improved docs, new API
- 2011-04-24 1.2.2 Upgrade for Ruby 1.9.2 and Rails 3.0.6