diff --git a/README.markdown b/README.markdown
index c397e10..487ec88 100644
--- a/README.markdown
+++ b/README.markdown
@@ -7,6 +7,7 @@ you're reading the documentation for the `master` branch.
 
 [![Build Status](https://travis-ci.org/DatabaseCleaner/database_cleaner.svg?branch=master)](https://travis-ci.org/DatabaseCleaner/database_cleaner)
 [![Code Climate](https://codeclimate.com/github/DatabaseCleaner/database_cleaner/badges/gpa.svg)](https://codeclimate.com/github/DatabaseCleaner/database_cleaner)
+[![codecov](https://codecov.io/gh/DatabaseCleaner/database_cleaner/branch/master/graph/badge.svg)](https://codecov.io/gh/DatabaseCleaner/database_cleaner)
 ![Gem Version](https://badge.fury.io/rb/database_cleaner.svg)
 [![SemVer](https://api.dependabot.com/badges/compatibility_score?dependency-name=database_cleaner&package-manager=bundler&version-scheme=semver)](https://dependabot.com/compatibility-score.html?dependency-name=database_cleaner&package-manager=bundler&version-scheme=semver)