diff --git a/README.md b/README.md
index f5fe881..a2e55c1 100644
--- a/README.md
+++ b/README.md
@@ -23,6 +23,8 @@
 Sanitize untrusted HTML (to prevent XSS) with a configuration specified by a Whitelist.
 ======
 
+[![Greenkeeper badge](https://badges.greenkeeper.io/leizongmin/js-xss.svg)](https://greenkeeper.io/)
+
 ![xss](https://nodei.co/npm/xss.png?downloads=true&stars=true)
 
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