diff --git a/README.md b/README.md
index d441edd..3e5984d 100644
--- a/README.md
+++ b/README.md
@@ -485,6 +485,8 @@ Libraries to help manage database schemas and migrations.
 * [Hawk](https://github.com/dflydev/dflydev-hawk) - A Hawk HTTP authentication library.
 * [HybridAuth](https://github.com/hybridauth/hybridauth) - An open source social sign on library.
 * [Lock](https://github.com/BeatSwitch/lock) - A library for implementing Access Control Lists (ACL) systems.
+* [OAuth 1.0 Client](https://github.com/thephpleague/oauth1-client) - An OAuth 1.0 client library.
+* [OAuth 2.0 Client](https://github.com/thephpleague/oauth2-client) - An OAuth 2.0 client library.
 
 ## Markup
 *Libraries for working with markup.*