diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Go MongoDB Sample
 
-[![codecov](https://codecov.io/gh/taako-502/go-mongodb-sample/branch/master/graph/badge.svg)](https://codecov.io/gh/taako-502/go-mongodb-sample)
+[![codecov](https://codecov.io/gh/taako-502/go-mongodb-sample/graph/badge.svg?token=1R0OXO8EO4)](https://codecov.io/gh/taako-502/go-mongodb-sample)
 [![Go Report Card](https://goreportcard.com/badge/github.com/taako-502/go-mongodb-sample)](https://goreportcard.com/report/github.com/taako-502/go-mongodb-sample)
 
 ## 環境構築