diff --git a/README.md b/README.md
index eaa91f6..1b99f23 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,3 @@
-# hack-go
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+# hack-go
+
+[![codecov](https://codecov.io/gh/qazwsxedckll/hack-go/graph/badge.svg?token=OXKECJY1WU)](https://codecov.io/gh/qazwsxedckll/hack-go)
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