diff --git a/README.md b/README.md
index 54b0b24931f078dedfebe5b2b21f4d20603d59e2..f3ea5e279c5ef657d2adcc5f672ddde7e08774be 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ Geocoder is a complete geocoding solution for Ruby. With Rails it adds geocoding
 Compatibility
 -------------
 
-* Supports multiple Ruby versions: Ruby 1.9.2, 1.9.3, 2.0.0, and JRuby.
+* Supports multiple Ruby versions: Ruby 1.9.2, 1.9.3, 2.0.0, 2.1.0, JRuby and Rubinius.
 * Supports multiple databases: MySQL, PostgreSQL, SQLite, and MongoDB (1.7.0 and higher).
 * Supports Rails 3 and 4. If you need to use it with Rails 2 please see the `rails2` branch (no longer maintained, limited feature set).
 * Works very well outside of Rails, you just need to install either the `json` (for MRI) or `json_pure` (for JRuby) gem.