diff --git a/README.md b/README.md
index 9cd86fe..13b4b1c 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # Status
 ![Build Status](https://codeship.com/projects/5a246b70-f088-0133-9388-2640b49afa9e/status?branch=master)
 [![Coverage Status](https://coveralls.io/repos/github/mtakaki/cachet-url-monitor/badge.svg?branch=master)](https://coveralls.io/github/mtakaki/cachet-url-monitor?branch=master)
+[![Codacy Badge](https://api.codacy.com/project/badge/Grade/7ef4123130ef4140b8ea7b94d460ba64)](https://www.codacy.com/app/mitsuotakaki/cachet-url-monitor?utm_source=github.com&utm_medium=referral&utm_content=mtakaki/cachet-url-monitor&utm_campaign=Badge_Grade)
 
 cachet-url-monitor
 ========================