diff --git a/.gitignore b/.gitignore
index 95fbdb9..ea0dbff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,4 +23,6 @@ pkg
 .rvmrc
 
 ## PROJECT::SPECIFIC
-Gemfile.lock
\ No newline at end of file
+Gemfile.lock
+*.gem
+gemfiles/*.lock
diff --git a/Rakefile b/Rakefile
index a9353ba..c32ff2d 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,6 +1,6 @@
 require 'rubygems'
 require 'rake'
-require 'bundler'
+require 'bundler/setup'
 
 require 'rspec/core/rake_task'
 desc "Run RSpec"
@@ -8,4 +8,4 @@ RSpec::Core::RakeTask.new do |t|
   t.verbose = false
 end
 
-task :default => :spec
+task :default => :spec
\ No newline at end of file
diff --git a/gemfiles/Gemfile.rails-3.2.x b/gemfiles/Gemfile.rails-3.2.x
index 379cc19..efd4cc4 100644
--- a/gemfiles/Gemfile.rails-3.2.x
+++ b/gemfiles/Gemfile.rails-3.2.x
@@ -4,5 +4,8 @@ gem 'coveralls', :require => false
 gem 'simplecov', :require => false
 
 gem 'rails', '~> 3.2.22'
+if RUBY_VERSION < "2.2.0"
+  gem 'rack', '<= 1.6.0'
+end
 
 gemspec :path => '..'
\ No newline at end of file
diff --git a/gemfiles/Gemfile.rails-4.0.x b/gemfiles/Gemfile.rails-4.0.x
index 3b38b15..205e291 100644
--- a/gemfiles/Gemfile.rails-4.0.x
+++ b/gemfiles/Gemfile.rails-4.0.x
@@ -4,5 +4,8 @@ gem 'coveralls', :require => false
 gem 'simplecov', :require => false
 
 gem 'rails', '~> 4.0.0'
+if RUBY_VERSION < "2.2.0"
+  gem 'rack', '1.6.0'
+end
 
 gemspec :path => '..'
\ No newline at end of file
diff --git a/gemfiles/Gemfile.rails-4.1.x b/gemfiles/Gemfile.rails-4.1.x
index 844c853..6a321e8 100644
--- a/gemfiles/Gemfile.rails-4.1.x
+++ b/gemfiles/Gemfile.rails-4.1.x
@@ -4,5 +4,8 @@ gem 'coveralls', :require => false
 gem 'simplecov', :require => false
 
 gem 'rails', '~> 4.1.0'
+if RUBY_VERSION < "2.2.0"
+  gem 'rack', '1.6.0'
+end
 
 gemspec :path => '..'
\ No newline at end of file
diff --git a/gemfiles/Gemfile.rails-4.2.x b/gemfiles/Gemfile.rails-4.2.x
index 8041530..26f0339 100644
--- a/gemfiles/Gemfile.rails-4.2.x
+++ b/gemfiles/Gemfile.rails-4.2.x
@@ -4,5 +4,8 @@ gem 'coveralls', :require => false
 gem 'simplecov', :require => false
 
 gem 'rails', '~> 4.2.0'
+if RUBY_VERSION < "2.2.0"
+  gem 'rack', '1.6.0'
+end
 
 gemspec :path => '..'
\ No newline at end of file