README.md in recurly-2.18.15 vs README.md in recurly-2.18.16

- old
+ new

@@ -12,10 +12,10 @@
 
 Recurly is packaged as a Ruby gem. We recommend you install it with
 [Bundler](http://gembundler.com/) by adding the following line to your Gemfile:
 
 ``` ruby
-gem 'recurly', '~> 2.18.15'
+gem 'recurly', '~> 2.18.16'
 ```
 
 Recurly will automatically use [Nokogiri](http://nokogiri.org/) (for a nice
 speed boost) if it's available and loaded in your app's environment.
 