diff --git a/README.md b/README.md
index bb355bd..72a0722 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,7 @@ hashes.
 
 [![Gem Version](https://badge.fury.io/rb/jsonapi-deserializable.svg)](https://badge.fury.io/rb/jsonapi-deserializable)
 [![Build Status](https://secure.travis-ci.org/jsonapi-rb/deserializable.svg?branch=master)](http://travis-ci.org/jsonapi-rb/deserializable?branch=master)
+[![codecov](https://codecov.io/gh/jsonapi-rb/deserializable/branch/master/graph/badge.svg)](https://codecov.io/gh/jsonapi-rb/deserializable)
 
 ## Table of Contents