README.md in stock_index-0.8.6 vs README.md in stock_index-0.8.7

- old
+ new
@@ -101,10 +101,10 @@
 4. Push to the branch (`git push origin my-new-feature`)
 5. Create new Pull Request
 
 ## Code Status
 
-[![Gem Version](http://img.shields.io/badge/gem-v0.8.6-blue.svg)](https://rubygems.org/gems/stock_index)
+[![Gem Version](http://img.shields.io/badge/gem-v0.8.7-blue.svg)](https://rubygems.org/gems/stock_index)
 [![Build Status](https://travis-ci.org/javiervidal/stock_index.svg?branch=master)](https://travis-ci.org/javiervidal/stock_index)
 [![Coverage Status](https://coveralls.io/repos/javiervidal/stock_index/badge.png?branch=master)](https://coveralls.io/r/javiervidal/stock_index?branch=master)
 [![Code Climate](https://codeclimate.com/github/javiervidal/stock_index/badges/gpa.svg)](https://codeclimate.com/github/javiervidal/stock_index)
 
 ## Copyright