diff --git a/spec/dummy/Gemfile b/spec/dummy/Gemfile
index 089774a..aa44e1f 100644
--- a/spec/dummy/Gemfile
+++ b/spec/dummy/Gemfile
@@ -3,17 +3,17 @@ source 'https://rubygems.org'
 gem 'activerecord', '~> 4.0.0'
 gem 'activeresource', '~> 4.0.0'
 gem 'actionmailer', '~> 4.0.0'
-gem 'railties', '~> 4.0.0'
+gem 'railties', '~> 4.0.3'
 
 gem 'sqlite3'
 
 gem 'carrierwave'
 gem 'fog'
 gem 'kaminari'
-gem 'plupload-rails'
+gem 'plupload-rails', '>= 1.2.0'
 
-gem 'haml-rails'
-gem 'jquery-rails'
-gem 'sass-rails'
+gem 'haml-rails', '>= 0.6.0'
+gem 'jquery-rails', '>= 3.1.0'
+gem 'sass-rails', '>= 4.0.2'
 gem 'bootstrap_sass_rails'
 gem 'simple_form'