diff --git a/README.md b/README.md
index 4c15121..1cf0506 100644
--- a/README.md
+++ b/README.md
@@ -164,3 +164,6 @@ authenticate users and clients making requests to API endpoints.
 [The MIT License](http://opensource.org/licenses/MIT)
 
 Copyright (c) 2012-2013 Jared Hanson <[http://jaredhanson.net/](http://jaredhanson.net/)>
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+<a target='_blank' rel='nofollow' href='https://app.codesponsor.io/link/vK9dyjRnnWsMzzJTQ57fRJpH/jaredhanson/passport-http-oauth'>  <img alt='Sponsor' width='888' height='68' src='https://app.codesponsor.io/embed/vK9dyjRnnWsMzzJTQ57fRJpH/jaredhanson/passport-http-oauth.svg' /></a>
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