diff --git a/test/test_helper.rb b/test/test_helper.rb
index a6577e8..b9cad90 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -3,7 +3,7 @@ require 'test/unit'
 
 require "#{File.expand_path(File.dirname(__FILE__))}/../lib/asciidoctor.rb"
 
-require 'mocha/setup'
+require 'mocha'
 require 'htmlentities'
 require 'nokogiri'
 require 'pending'