diff --git a/README.md b/README.md
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@@ -107,6 +107,7 @@ Please take a quick gander at the [contribution guidelines](https://github.com/a
 * [oauth2](https://github.com/golang/oauth2) - Successor of goauth2. Generic OAuth 2.0 package that comes with JWT, Google APIs, Compute Engine and App Engine support.
 * [osin](https://github.com/RangelReale/osin) - Golang OAuth2 server library.
 * [permissions2](https://github.com/xyproto/permissions2) - Library for keeping track of users, login states and permissions. Uses secure cookies and bcrypt.
+* [yubigo](https://github.com/GeertJohan/yubigo) - a Yubikey client package that provides a simple API to integrate the Yubico Yubikey into a go application. 
 
 
 ## Command Line