--- a/Gemfile	Thu Apr 04 11:26:02 2013 +0900
+++ b/Gemfile	Tue May 07 23:56:27 2013 +0900
@@ -1,24 +1,25 @@
 source 'https://rubygems.org'
 
-gem 'rails', '~> 3.2.13'
+gem 'rails', '~> 4.0.0.rc1'
 gem 'jquery-rails'
 
 # Bundle edge Rails instead:
 # gem 'rails', :git => 'git://github.com/rails/rails.git'
 
-gem 'mysql2', :platforms => :ruby
-gem 'activerecord-jdbcmysql-adapter', :platforms => :jruby
-gem 'jruby-openssl', :platforms => :jruby
+gem 'mysql2', platforms: :ruby
+gem 'activerecord-jdbcmysql-adapter', platforms: :jruby
+gem 'jruby-openssl', platforms: :jruby
+gem 'actionpack-page_caching'
 
 # Gems used only for assets and not required
 # in production environments by default.
 group :assets do
-  gem 'sass-rails',   '~> 3.2.3'
+  gem 'sass-rails', '~> 4.0.0.rc1'
 
-  gem 'uglifier', '>= 1.0.3'
-  gem 'anjlab-bootstrap-rails', '>= 2.0', :require => 'bootstrap-rails'
+  gem 'uglifier'
+  gem 'anjlab-bootstrap-rails', require: 'bootstrap-rails'
 
-  gem 'therubyrhino', :platforms => :jruby
+  gem 'therubyrhino', platforms: :jruby
 end
 
 # To use ActiveModel has_secure_password
@@ -29,8 +30,8 @@
 
 group :standalone do
   # Use unicorn as the app server
-  gem 'unicorn', :platforms => :mri
-  gem 'puma', :platforms => [:rbx, :jruby]
+  gem 'unicorn', platforms: :mri
+  gem 'puma', platforms: [:rbx, :jruby]
 end
 
 # Deploy with Capistrano