diff --git a/README b/README
index da1e5d2..8e77307 100644
--- a/README
+++ b/README
@@ -73,7 +73,7 @@ In your test_helper.rb/spec_helper.rb:
 If you don't use rspec_on_rails, or you have specs that aren't of the RailsExampleGroup type, you should do this in spec_helper.rb:
 
     require 'dataset'
-    class Spec::Example::ExampleGroup
+    class RSpec::Example::ExampleGroup
       include Dataset
       datasets_directory "#{Rails.root}/spec/datasets"
     end
diff --git a/spec/dataset/rspec_spec.rb b/spec/dataset/rspec_spec.rb
index 56cf709..0c80dd9 100644
--- a/spec/dataset/rspec_spec.rb
+++ b/spec/dataset/rspec_spec.rb
@@ -1,10 +1,10 @@
 require File.expand_path(File.dirname(__FILE__) + '/../spec_helper')
 
-class Spec::Example::ExampleGroup
+class RSpec::Core::Example::ExampleGroup
   include Dataset
 end
 
-describe Spec::Example::ExampleGroup do
+describe RSpec::Core::Example::ExampleGroup do
   with_sandboxed_options do
     it 'should have a dataset method' do
       group = Class.new(Spec::Example::ExampleGroup)
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index b82f933..6fb005d 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -5,12 +5,12 @@ def with_sandboxed_options
   attr_reader :options
 
   before(:each) do
-    @original_rspec_options = ::Spec::Runner.options
-    ::Spec::Runner.use(@options = ::Spec::Runner::Options.new(StringIO.new, StringIO.new))
+    @original_rspec_options = ::RSpec::Runner.options
+    ::RSpec::Runner.use(@options = ::RSpec::Runner::Options.new(StringIO.new, StringIO.new))
   end
 
   after(:each) do
-    ::Spec::Runner.use(@original_rspec_options)
+    ::RSpec::Runner.use(@original_rspec_options)
   end
 
   yield