diff --git a/lib/open_id_authentication.rb b/lib/open_id_authentication.rb
index 2cebcf6..6a05ea0 100644
--- a/lib/open_id_authentication.rb
+++ b/lib/open_id_authentication.rb
@@ -3,6 +3,8 @@
 require 'openid/extensions/ax'
 require 'openid/store/filesystem'
 
+require File.dirname(__FILE__) + '/open_id_authentication/association'
+require File.dirname(__FILE__) + '/open_id_authentication/nonce'
 require File.dirname(__FILE__) + '/open_id_authentication/db_store'
 require File.dirname(__FILE__) + '/open_id_authentication/mem_cache_store'
 require File.dirname(__FILE__) + '/open_id_authentication/request'