diff --git a/Gemfile b/Gemfile
index 746aef7..220c02a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,4 +1,4 @@
-source :rubygems
+source "http://rubygems.org"
 gem 'i18n' , "~> 0.5.0"
 gem 'json',"=1.6.5"
 gemspec
diff --git a/lib/insightly/configuration.rb b/lib/insightly/configuration.rb
index 1af23c2..6fddd7d 100644
--- a/lib/insightly/configuration.rb
+++ b/lib/insightly/configuration.rb
@@ -8,8 +8,8 @@ def initialize(setting, message) # :nodoc:
      end
    end
   class Configuration
-    API_VERSION = "v1" # :nodoc:
-    DEFAULT_ENDPOINT = "https://api.insight.ly/v1" # :nodoc:
+    API_VERSION = "v2.1" # :nodoc:
+    DEFAULT_ENDPOINT = "https://api.insight.ly/v2.1" # :nodoc:
 
     class << self
       attr_writer :custom_user_agent, :endpoint, :logger, :api_key