title: Could not update rails
body: <p>When I do bundle update rails, I get this error:</p>
  
  <pre><code>Bundler could not find compatible versions for gem "activesupport":
    In Gemfile:
      rails (= 3.2.11) x86-mingw32 depends on
        activesupport (= 3.2.11) x86-mingw32
  
      activesupport (3.1.0)
  </code></pre>
  
  <p>here is my gemFile, any help is apprecaited :)</p>
  
  <pre><code>source 'http://rubygems.org'
  
  gem 'rails' , '3.2.11'
  gem "heroku"
  gem 'thin'
  gem 'devise'#, '1.5.2'
  gem 'will_paginate', '~&gt; 3.0.2'
  #gem 'nested_form', :git =&gt; 'git://github.com/fxposter/nested_form.git'
  gem "simple_form"
  gem "cancan"
  gem 'kaminari'
  gem 'foreigner'
  gem "cocoon"
  gem 'client_side_validations'
  
  # Gems used only for assets and not required
  # in production environments by default.
  group :assets do
    gem 'sass-rails', "  ~&gt; 3.1.0"
    gem 'coffee-rails', "~&gt; 3.1.0"
    gem 'uglifier'
  end
  
  gem "jquery-rails"
  gem "validate_url", "~&gt; 0.2.0"
  gem 'pg', :group =&gt; [:production]
  gem 'haml'
  # Use unicorn as the web server
  # gem 'unicorn'
  
  # Deploy with Capistrano
  # gem 'capistrano'
  
  # To use debugger
  # gem 'ruby-debug19', :require =&gt; 'ruby-debug'
  group :test, :development do
    gem 'sqlite3'
    gem 'turn', :require =&gt; false
    gem "rspec-rails", "2.7"
    #gem "rspec"
    gem "spork", "&gt; 0.9.0.rc"
    gem 'guard-spork'
    #gem "webrat", "~&gt; 0.7.3"
    gem 'rb-fsevent' # Not mandatory for guard to work, which is why it's not a dependency, but it is an optimization
    #gem "guard-spork"
    #gem 'minitest'
    gem "factory_girl_rails", "~&gt; 1.2"
    #gem "webrat-rspec-rails"
    gem "mocha"
    gem 'capybara' #, :git =&gt; 'git://github.com/jnicklas/capybara.git'
    gem 'database_cleaner'
    gem 'launchy'
    gem "capybara-webkit"
    #gem 'rspec-multi-mock', :git =&gt; 'git://github.com/endeepak/rspec-multi-mock.git'
  end
  
  group :test do
    #gem 'ruby-debug19', :require =&gt; 'ruby-debug'
  end
  
  gem 'execjs'
  gem 'therubyracer'
  </code></pre>