diff --git a/README.md b/README.md
index 6d9ef62..efddf48 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # mana
 
+[![codecov](https://codecov.io/gh/difizen/mana/graph/badge.svg?token=VGJDF8511R)](https://codecov.io/gh/difizen/mana)
+
 # init
 
 ```