Gemfile in httpi-2.4.1 vs Gemfile in httpi-2.4.2

@@ -6,10 +6,10 @@
 # http clients
 gem 'httpclient',          '~> 2.3',    :require => false
 gem 'curb',                '~> 0.8',    :require => false, :platforms => :ruby
 gem 'em-http-request',                  :require => false, :platforms => [:ruby, :jruby]
 gem 'em-synchrony',                     :require => false, :platforms => [:ruby, :jruby]
-gem 'excon',               '~> 0.21.0', :require => false, :platforms => [:ruby, :jruby]
+gem 'excon',               '~> 0.21',   :require => false, :platforms => [:ruby, :jruby]
 gem 'net-http-persistent', '~> 2.8',    :require => false
 gem 'http',                             :require => false
 
 # coverage
 gem 'simplecov',                        :require => false