Lock gemfile versions to the ones at gemfile.lock, so depfu works better

Gemfile

@@ -3,74 +3,74 @@ source 'https://rubygems.org'
 ruby '2.2.1'
 gem 'rails', '4.2.10'
 
-gem 'ancestry'
-gem 'cancancan'
-gem 'cocoon'
+gem 'ancestry', '~> 2.1.0'
+gem 'cancancan', '~> 1.13.1'
+gem 'cocoon',  '~> 1.2.6'
 gem 'coffee-rails', '~> 4.1.0'
 gem 'devise', '~> 3.5', '>= 3.5.10'
-gem 'devise-i18n'
-gem 'faker'
+gem 'devise-i18n', '~> 0.12.1'
+gem 'faker', '~> 1.5.0'
 gem 'foundation-rails', '= 5.5.1.0'
 gem 'friendly_id', '~> 5.1.0'
-gem 'i18n_data'
+gem 'i18n_data', '~> 0.7.0'
 gem 'initialjs-rails', '0.2.0.1'
 gem 'jbuilder', '~> 2.0'
-gem 'jquery-rails'
-gem 'jquery-ui-rails'
-gem 'jquery-validation-rails'
-gem 'kaminari'
-gem 'newrelic_rpm'
+gem 'jquery-rails', '~> 4.0.5'
+gem 'jquery-ui-rails', '~> 5.0.5'
+gem 'jquery-validation-rails', '~> 1.13.1'
+gem 'kaminari', '~> 1.0.1'
+gem 'newrelic_rpm', '~> 3.13.2.302'
 gem 'paperclip', '~> 4.3', '>= 4.3.7'
-gem 'pg'
-gem 'progress_bar'
-gem 'public_activity'
+gem 'pg', '~> 0.18.3'
+gem 'progress_bar', '~> 1.0.5'
+gem 'public_activity', '~> 1.4.2'
 gem 'rails-i18n', '~> 4.0', '>= 4.0.9'
 gem 'rubyzip', '~> 1.2', '>= 1.2.1'
 gem 'sass-rails', '~> 5.0'
-gem 'savon'
-gem 'sidekiq'
-gem 'social-share-button'
-gem 'sunspot_rails'
-gem 'sunspot_solr'
-gem 'tinymce-rails'
-gem 'tinymce-rails-langs'
-gem 'turbolinks'
+gem 'savon', '~> 2.11.1'
+gem 'sidekiq', '~> 4.1.0'
+gem 'social-share-button', '~> 0.1.8'
+gem 'sunspot_rails', '~> 2.2.0'
+gem 'sunspot_solr', '~> 2.2.0'
+gem 'tinymce-rails', '~> 4.2.6'
+gem 'tinymce-rails-langs', '~> 4.20140129'
+gem 'turbolinks', '~> 2.5.3'
 gem 'uglifier', '>= 1.3.0'
 
 group :development do
-  gem 'better_errors'
+  gem 'better_errors', '~> 2.1.1'
   gem 'capistrano', '~> 3.4.0', require: false
   gem 'capistrano-bundler', require: false
   gem 'capistrano-rails', '~> 1.1.0', require: false
   gem 'capistrano-rails-console', require: false
   gem 'capistrano-rvm', '~> 0.1.1', require: false
   gem 'jazz_hands', :git => 'https://github.com/nixme/jazz_hands.git', branch: 'bring-your-own-debugger'
-  gem 'quiet_assets'
-  gem 'rails_layout'
-  gem 'spring-commands-rspec'
+  gem 'quiet_assets', '~> 1.1.0'
+  gem 'rails_layout', '~> 1.0.26'
+  gem 'spring-commands-rspec', '~> 1.0.4'
   gem 'web-console', '~> 2.0'
 end
 
 group :development, :test do
-  gem 'bullet'
-  gem 'byebug'
-  gem 'factory_girl_rails'
+  gem 'bullet', '~> 4.14.9'
+  gem 'byebug', '~> 6.0.2'
+  gem 'factory_girl_rails', '~> 4.5.0'
   gem 'rspec-rails', '~> 3.7', '>= 3.7.2'
   gem 'rubocop', '~> 0.51.0', require: false
-  gem 'spring'
-  gem 'thin'
+  gem 'spring', '~> 1.4.0'
+  gem 'thin', '~> 1.6.4'
 end
 
 group :test do
-  gem 'capybara'
+  gem 'capybara', '~> 2.5.0'
   gem 'coveralls', require: false
-  gem 'database_cleaner'
-  gem 'launchy'
+  gem 'database_cleaner', '~> 1.5.0'
+  gem 'launchy', '~> 2.4.3'
   gem 'poltergeist', '~> 1.15.0'
-  gem 'simplecov'
-  gem 'sunspot-rails-tester'
+  gem 'simplecov', '~> 0.10.0'
+  gem 'sunspot-rails-tester', '~> 1.0.0'
 end
 
 group :production do
-  gem 'unicorn'
+  gem 'unicorn', '~> 4.9.0'
 end

Gemfile.lock

@@ -443,65 +443,65 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  ancestry
-  better_errors
-  bullet
-  byebug
-  cancancan
+  ancestry (~> 2.1.0)
+  better_errors (~> 2.1.1)
+  bullet (~> 4.14.9)
+  byebug (~> 6.0.2)
+  cancancan (~> 1.13.1)
   capistrano (~> 3.4.0)
   capistrano-bundler
   capistrano-rails (~> 1.1.0)
   capistrano-rails-console
   capistrano-rvm (~> 0.1.1)
-  capybara
-  cocoon
+  capybara (~> 2.5.0)
+  cocoon (~> 1.2.6)
   coffee-rails (~> 4.1.0)
   coveralls
-  database_cleaner
+  database_cleaner (~> 1.5.0)
   devise (~> 3.5, >= 3.5.10)
-  devise-i18n
-  factory_girl_rails
-  faker
+  devise-i18n (~> 0.12.1)
+  factory_girl_rails (~> 4.5.0)
+  faker (~> 1.5.0)
   foundation-rails (= 5.5.1.0)
   friendly_id (~> 5.1.0)
-  i18n_data
+  i18n_data (~> 0.7.0)
   initialjs-rails (= 0.2.0.1)
   jazz_hands!
   jbuilder (~> 2.0)
-  jquery-rails
-  jquery-ui-rails
-  jquery-validation-rails
-  kaminari
-  launchy
-  newrelic_rpm
+  jquery-rails (~> 4.0.5)
+  jquery-ui-rails (~> 5.0.5)
+  jquery-validation-rails (~> 1.13.1)
+  kaminari (~> 1.0.1)
+  launchy (~> 2.4.3)
+  newrelic_rpm (~> 3.13.2.302)
   paperclip (~> 4.3, >= 4.3.7)
-  pg
+  pg (~> 0.18.3)
   poltergeist (~> 1.15.0)
-  progress_bar
-  public_activity
-  quiet_assets
+  progress_bar (~> 1.0.5)
+  public_activity (~> 1.4.2)
+  quiet_assets (~> 1.1.0)
   rails (= 4.2.10)
   rails-i18n (~> 4.0, >= 4.0.9)
-  rails_layout
+  rails_layout (~> 1.0.26)
   rspec-rails (~> 3.7, >= 3.7.2)
   rubocop (~> 0.51.0)
   rubyzip (~> 1.2, >= 1.2.1)
   sass-rails (~> 5.0)
-  savon
-  sidekiq
-  simplecov
-  social-share-button
-  spring
-  spring-commands-rspec
-  sunspot-rails-tester
-  sunspot_rails
-  sunspot_solr
-  thin
-  tinymce-rails
-  tinymce-rails-langs
-  turbolinks
+  savon (~> 2.11.1)
+  sidekiq (~> 4.1.0)
+  simplecov (~> 0.10.0)
+  social-share-button (~> 0.1.8)
+  spring (~> 1.4.0)
+  spring-commands-rspec (~> 1.0.4)
+  sunspot-rails-tester (~> 1.0.0)
+  sunspot_rails (~> 2.2.0)
+  sunspot_solr (~> 2.2.0)
+  thin (~> 1.6.4)
+  tinymce-rails (~> 4.2.6)
+  tinymce-rails-langs (~> 4.20140129)
+  turbolinks (~> 2.5.3)
   uglifier (>= 1.3.0)
-  unicorn
+  unicorn (~> 4.9.0)
   web-console (~> 2.0)
 
 RUBY VERSION