diff --git a/README.md b/README.md
index b3f1afa..19857b7 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 A simple backoff algorithm in Go (Golang)
 
-[![GoDoc](https://godoc.org/github.com/jpillora/backoff?status.svg)](https://godoc.org/github.com/jpillora/backoff)
+[![GoDoc](https://godoc.org/github.com/jpillora/backoff?status.svg)](https://godoc.org/github.com/jpillora/backoff) [![Circle CI](https://circleci.com/gh/jpillora/backoff.svg?style=shield)](https://circleci.com/gh/jpillora/backoff)
 
 ### Install