Gemfile in chatterbot-0.4.0 vs Gemfile in chatterbot-0.5.0

@@ -10,10 +10,9 @@
   gem 'simplecov', :require => false, :group => :test
 
   gem "shoulda", ">= 0"
   gem "rspec"
 
-  gem "bundler", "~> 1.0.0"
   gem "watchr"
 end
 
 #
 # couple extra gems for testing db connectivity