diff --git a/README.md b/README.md
index 33df447..fda8bdb 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 ![License](https://img.shields.io/github/license/rjNemo/underscore?style=for-the-badge)
 ![Go version](https://img.shields.io/github/go-mod/go-version/rjNemo/underscore?style=for-the-badge)
-![test coverage](https://img.shields.io/badge/Test%20Coverage-100%25-brightgreen.svg?longCache=true&style=for-the-badge)
+![test coverage](https://img.shields.io/codecov/c/github/rjNemo/underscore?style=for-the-badge)
 
 ![underscore](https://socialify.git.ci/rjNemo/underscore/image?description=1&font=Raleway&language=1&logo=https%3A%2F%2Fgithub.com%2FrjNemo%2Funderscore%2Fblob%2Fmain%2Fdocs%2Fstatic%2Flogo.png%3Fraw%3Dtrue&name=1&pattern=Floating%20Cogs&theme=Light)