diff --git a/README.md b/README.md
index 32df430..985c7ef 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # namae
 
 [![Actions Status](https://github.com/uetchy/namae/workflows/Test/badge.svg)](https://github.com/uetchy/namae/actions)
+[![Codacy Badge](https://api.codacy.com/project/badge/Coverage/0b8abd28e8c04affb2aac6d907ffa149)](https://www.codacy.com/manual/uetchy/namae?utm_source=github.com&utm_medium=referral&utm_content=uetchy/namae&utm_campaign=Badge_Coverage)
 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/0b8abd28e8c04affb2aac6d907ffa149)](https://www.codacy.com/manual/uetchy/namae?utm_source=github.com&utm_medium=referral&utm_content=uetchy/namae&utm_campaign=Badge_Grade)
 [![Total alerts](https://img.shields.io/lgtm/alerts/g/uetchy/namae.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/uetchy/namae/alerts/)