diff --git a/README.md b/README.md
index 8b24fe4..1bbde9e 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,8 @@
 
 [![build status](http://img.shields.io/travis/ronikobrosly/causal-curve/master.svg?style=flat)](https://travis-ci.org/ronikobrosly/causal-curve)
 
+[![codecov](https://codecov.io/gh/ronikobrosly/causal-curve/branch/master/graph/badge.svg)](https://codecov.io/gh/ronikobrosly/causal-curve)
+
 Python tools to perform causal inference using observational data when the treatment of interest is continuous.