diff --git a/README.md b/README.md
index f322e9d..8dd700c 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,7 @@
 ![gatsby-plugin-matomo](https://user-images.githubusercontent.com/90316/39896678-6c0829ec-54af-11e8-84f6-ef94abb201ab.png)
 [![npm package](https://img.shields.io/npm/v/gatsby-plugin-matomo.svg)](https://www.npmjs.com/package/gatsby-plugin-matomo)
 [![Build Status](https://travis-ci.com/kremalicious/gatsby-plugin-matomo.svg?branch=master)](https://travis-ci.com/kremalicious/gatsby-plugin-matomo)
+[![Maintainability](https://api.codeclimate.com/v1/badges/067339a02f2058f5ba01/maintainability)](https://codeclimate.com/github/kremalicious/gatsby-plugin-matomo/maintainability)
 [![Greenkeeper badge](https://badges.greenkeeper.io/kremalicious/gatsby-plugin-matomo.svg)](https://greenkeeper.io/)
 
 ⚛️📄🚀 Gatsby plugin to add [Matomo](https://matomo.org) (formerly Piwik) onto a site.