Merge pull request #1 from homeday-de/chore/bump_json_gem_to_2.3.0

bump json version

Author: jethroo

mandrill-api.gemspec

@@ -1,12 +1,12 @@
 Gem::Specification.new do |s|
     s.name = 'mandrill-api'
-    s.version = '1.0.54'
+    s.version = '1.1.0'
     s.summary = 'A Ruby API library for the Mandrill email as a service platform.'
     s.description = s.summary
     s.authors = ['Mandrill Devs']
     s.email = 'community@mandrill.com'
     s.files = ['lib/mandrill.rb', 'lib/mandrill/api.rb', 'lib/mandrill/errors.rb']
     s.homepage = 'https://bitbucket.org/mailchimp/mandrill-api-ruby/'
-    s.add_dependency 'json', '>= 1.7.7', '< 2.0'
+    s.add_dependency 'json', '>= 2.3.0'
     s.add_dependency 'excon', '>= 0.16.0', '< 1.0'
 end