diff --git a/test/test_helper.rb b/test/test_helper.rb
index 5633ae8645642aa5bdb01b440cfcd2e78a2990ce..5e9e462d18d27c6eb95b9dee88028948e8f0e30b 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -1,6 +1,6 @@
 require 'rubygems'
 require 'test/unit'
-require 'activesupport'
+require 'active_support/core_ext'
 
 $LOAD_PATH.unshift(File.dirname(__FILE__))
 $LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))