svg badges

Author: mceachen

README.md

@@ -6,7 +6,7 @@ Common applications include modeling hierarchical data, like tags, threaded comm
 and tracking user referrals.
 
 [![Build Status](https://api.travis-ci.org/mceachen/closure_tree.svg?branch=master)](http://travis-ci.org/mceachen/closure_tree)
-[![Gem Version](https://badge.fury.io/rb/closure_tree.png)](http://rubygems.org/gems/closure_tree)
+[![Gem Version](https://badge.fury.io/rb/closure_tree.svg)](https://badge.fury.io/rb/closure_tree)
 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/fa5a8ae2193d42adb30b4256732a757d)](https://www.codacy.com/app/matthew-github/closure_tree)
 [![Dependency Status](https://gemnasium.com/badges/github.com/mceachen/closure_tree.svg)](https://gemnasium.com/github.com/mceachen/closure_tree)