diff --git a/lib/zero.rb b/lib/zero.rb
index d1f3d9a..22bd30c 100644
--- a/lib/zero.rb
+++ b/lib/zero.rb
@@ -2,6 +2,7 @@
 if RUBY_VERSION <= '1.9'
   require 'zero_fix18'
 end
+
 require 'class_options'
 
 module Zero
diff --git a/lib/zero/controller.rb b/lib/zero/controller.rb
index ce2122f..f77bf44 100644
--- a/lib/zero/controller.rb
+++ b/lib/zero/controller.rb
@@ -12,13 +12,13 @@ module Zero
     end
 
     # set the class to use for responses
-    options :response
+    accept_options :response
 
     # set a class to use for requests
-    options :request
+    accept_options :request
 
     # set the renderer to use in the controller
-    options :renderer
+    accept_options :renderer
 
     # the renderer which can be used to render templates
     attr_reader :renderer
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 5711e6c..733a9a9 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,3 +1,5 @@
+require 'bundler/setup'
+
 if ENV['SIMPLECOV']
   require 'simplecov'
   SimpleCov.start do
diff --git a/spec/unit/zero/controller/call_spec.rb b/spec/unit/zero/controller/call_spec.rb
index 44a8f0a..44c4d7b 100644
--- a/spec/unit/zero/controller/call_spec.rb
+++ b/spec/unit/zero/controller/call_spec.rb
@@ -6,9 +6,9 @@ describe Zero::Controller, '.call' do
   let(:env) { EnvGenerator.get('/foo') }
 
   before :each do
-    object.renderer = Object.new
-    object.response = Zero::Response
-    object.request  = Zero::Request
+    object.renderer(Object.new)
+    object.response(Zero::Response)
+    object.request(Zero::Request)
   end
 
   it "returns a response" do
@@ -30,12 +30,12 @@ describe Zero::Controller, '.call' do
   context "with the response" do
     let(:response_class) { mock }
     before :each do
-      object.response = response_class
+      object.response(response_class)
       response_class.should_receive(:new).and_return(Zero::Response.new)
     end
 
     after :each do
-      Zero::Controller.response = nil
+      Zero::Controller.response(nil)
     end
 
     it { subject }
diff --git a/spec/unit/zero/controller/render_spec.rb b/spec/unit/zero/controller/render_spec.rb
index 0d807cc..843f237 100644
--- a/spec/unit/zero/controller/render_spec.rb
+++ b/spec/unit/zero/controller/render_spec.rb
@@ -5,8 +5,8 @@ describe Zero::Controller, '#render' do
   subject { object.new(env) }
 
   before do
-    object.request  = Zero::Request
-    object.response = Zero::Response
+    object.request(Zero::Request)
+    object.response(Zero::Response)
   end
   
   let(:env) { EnvGenerator.get('/foo') }
@@ -14,12 +14,12 @@ describe Zero::Controller, '#render' do
   let(:template) { '/foo' }
 
   before :each do
-    object.renderer = renderer
+    object.renderer(renderer)
     renderer.should_receive(:render).with(template,
                                   kind_of(Zero::Request::AcceptType), subject)
   end
   after :each do
-    Zero::Controller.renderer = nil
+    Zero::Controller.renderer(nil)
   end
 
   it { subject.render(template) }
diff --git a/spec/unit/zero/controller/renderer_spec.rb b/spec/unit/zero/controller/renderer_spec.rb
index 35e0475..e4a712e 100644
--- a/spec/unit/zero/controller/renderer_spec.rb
+++ b/spec/unit/zero/controller/renderer_spec.rb
@@ -5,12 +5,12 @@ describe Zero::Controller, '#renderer' do
   let(:renderer) { Object.new }
 
   before do
-    subject.response = Zero::Response
-    subject.request  = Zero::Request
+    subject.response(Zero::Response)
+    subject.request(Zero::Request)
   end
 
   it 'returns the set renderer' do
-    subject.renderer = renderer
+    subject.renderer(renderer)
     p subject.renderer
     expect(subject.new({}).renderer).to be(renderer)
   end