diff --git a/README.md b/README.md
index 7505484..e82043e 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,7 @@
 # ring
+
+[![GoDoc](https://godoc.org/github.com/zfjagann/golang-ring?status.svg)](https://godoc.org/zfjagann/golang-ring)
+
 --
     import "github.com/zfjagann/golang-ring"