Gemfile in dm-serializer-1.2.0 vs Gemfile in dm-serializer-1.2.1

@@ -14,11 +14,11 @@
   SOURCE  => "#{DATAMAPPER}/dm-core#{REPO_POSTFIX}",
   :branch => CURRENT_BRANCH
 
 gem 'fastercsv',  '~> 1.5.4'
 gem 'multi_json', '~> 1.0.3'
-gem 'json',       '~> 1.5.4', :platforms => [ :ruby_18, :jruby ]
-gem 'json_pure',  '~> 1.5.4', :platforms => [ :mswin ]
+gem 'json',       '~> 1.6.1', :platforms => [ :ruby_18, :jruby ]
+gem 'json_pure',  '~> 1.6.1', :platforms => [ :mswin ]
 
 group :development do
 
   gem 'dm-validations', DM_VERSION,
     SOURCE  => "#{DATAMAPPER}/dm-validations#{REPO_POSTFIX}",