diff --git a/.github/README.md b/.github/README.md
index 7fc5945..0dccdba 100644
--- a/.github/README.md
+++ b/.github/README.md
@@ -12,6 +12,7 @@
 <br />
 [![Test](https://img.shields.io/github/actions/workflow/status/5ouma/reproxy/test.yml?label=test&style=flat-square)](https://github.com/5ouma/reproxy/actions/workflows/test.yml)
 [![pre-commit.ci status](https://results.pre-commit.ci/badge/github/5ouma/reproxy/main.svg?style=flat-square)](https://results.pre-commit.ci/latest/github/5ouma/reproxy/main)
+[![codecov](https://codecov.io/github/5ouma/reproxy/graph/badge.svg?token=OQB55KXJIL)](https://codecov.io/github/5ouma/reproxy)
 
 </div>