diff --git a/README.markdown b/README.markdown
index d9a21782..b68166cb 100644
--- a/README.markdown
+++ b/README.markdown
@@ -4,6 +4,7 @@
 [![Build Status](https://secure.travis-ci.org/jekyll/jekyll.svg?branch=master)](https://travis-ci.org/jekyll/jekyll)
 [![Code Climate](http://img.shields.io/codeclimate/github/jekyll/jekyll.svg)](https://codeclimate.com/github/jekyll/jekyll)
 [![Dependency Status](https://gemnasium.com/jekyll/jekyll.svg)](https://gemnasium.com/jekyll/jekyll)
+[![Security](https://hakiri.io/github/jekyll/jekyll/master.svg)](https://hakiri.io/github/jekyll/jekyll/master)
 
 By Tom Preston-Werner, Nick Quaranto, Parker Moore, and many [awesome contributors](https://github.com/jekyll/jekyll/graphs/contributors)!