diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # colorcrop
 
 [![Build Status](https://travis-ci.org/nxshock/colorcrop.svg?branch=master)](https://travis-ci.org/nxshock/colorcrop)
+[![Coverage Status](https://coveralls.io/repos/github/nxshock/colorcrop/badge.svg)](https://coveralls.io/github/nxshock/colorcrop)
 
 A pure Go library for cropping images by removing borders with specified color.