diff --git a/README.md b/README.md
index bd6fbc7..4f3ba88 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,7 @@ etag
 ![Build Status](https://github.com/amalfra/etag/actions/workflows/test.yml/badge.svg?branch=main)
 [![GoDoc](https://godoc.org/github.com/amalfra/etag/v2?status.svg)](https://godoc.org/github.com/amalfra/etag/v2)
 [![Go Report Card](https://goreportcard.com/badge/github.com/amalfra/etag/v2)](https://goreportcard.com/report/github.com/amalfra/etag/v2)
+[![Coverage Status](https://coveralls.io/repos/github/amalfra/etag/badge.svg?branch=main)](https://coveralls.io/github/amalfra/etag?branch=main)
 
 A go package to create HTTP ETags (as defined in RFC 7232) for use in HTTP responses.