diff --git a/README.md b/README.md
index cf064988d9..e7c11b02ea 100644
--- a/README.md
+++ b/README.md
@@ -2,4 +2,6 @@
 
 [![Build Status](https://travis-ci.org/dronecrew/matrix.svg?branch=master)](https://travis-ci.org/dronecrew/matrix)
 
+[![Coverage Status](https://coveralls.io/repos/dronecrew/matrix/badge.svg?branch=master&service=github)](https://coveralls.io/github/dronecrew/matrix?branch=master)
+
 A simple and efficient template based matrix library.