diff --git a/.gitignore b/.gitignore
index 7e23174..b6d42d3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,3 @@
-*.gem
 *.rbc
 .DS_Store
 .bundle
diff --git a/README.md b/README.md
index 802fbd0..1c32665 100644
--- a/README.md
+++ b/README.md
@@ -76,6 +76,9 @@ Usage Examples
     # Test fire a webhook.
     Gems.fire_web_hook 'rails', 'http://example.com'
 
+    # Submit a gem to RubyGems.org.
+    Gems.push File.new 'gemcutter-0.2.1.gem'
+
     # Remove a gem from RubyGems.org's index.
     # Defaults to the latest version if no version is specified.
     Gems.yank 'bills', '0.0.1'
diff --git a/lib/gems/client.rb b/lib/gems/client.rb
index 98ffb17..1a495f4 100644
--- a/lib/gems/client.rb
+++ b/lib/gems/client.rb
@@ -173,6 +173,16 @@ def fire_web_hook(gem_name, url)
       post("/api/v1/web_hooks/fire", {:gem_name => gem_name, :url => url}, :raw)
     end
 
+    # Submit a gem to RubyGems.org
+    #
+    # @param gem [File] A built gem.
+    # @return [String]
+    # @example
+    #   Gems.push(File.new("pkg/gemcutter-0.2.1.gem"))
+    def push(gem)
+      post("/api/v1/gems", gem.read, :raw, 'application/octet-stream')
+    end
+
     # Remove a gem from RubyGems.org's index
     #
     # @param gem_name [String] The name of a gem.
diff --git a/lib/gems/configuration.rb b/lib/gems/configuration.rb
index fa240a3..ad4ce8f 100644
--- a/lib/gems/configuration.rb
+++ b/lib/gems/configuration.rb
@@ -17,14 +17,15 @@ module Configuration
     # Set the default response format appended to the path
     #
     # @note JSON is preferred over XML because it is more concise and faster to parse.
-    DEFAULT_FORMAT = :json
+    DEFAULT_FORMAT = :json.freeze
 
-    DEFAULT_HOST = ENV['RUBYGEMS_HOST'] ? ENV['RUBYGEMS_HOST'] : 'https://rubygems.org'
+    # Set the default API endpoint
+    DEFAULT_HOST = ENV['RUBYGEMS_HOST'] ? ENV['RUBYGEMS_HOST'].freeze : 'https://rubygems.org'.freeze
 
     # Set the default credentials
-    DEFAULT_KEY = Gem.configuration.rubygems_api_key
+    DEFAULT_KEY = Gem.configuration.rubygems_api_key.freeze
 
-    # Set the default value sent in the 'User-Agent' header
+    # Set the default 'User-Agent' HTTP header
     DEFAULT_USER_AGENT = "Gems #{Gems::VERSION}".freeze
 
     attr_accessor *VALID_OPTIONS_KEYS
diff --git a/lib/gems/connection.rb b/lib/gems/connection.rb
index 42ce6c4..45de10f 100644
--- a/lib/gems/connection.rb
+++ b/lib/gems/connection.rb
@@ -2,7 +2,7 @@
 
 module Gems
   module Connection
-    def connection(format=format)
+    def connection(content_length=nil, content_type=nil, format=foramt)
       options = {
         :headers => {
           :user_agent => user_agent,
@@ -11,10 +11,12 @@ def connection(format=format)
         :url => host,
       }
 
+      options[:headers].merge!({:content_length => content_length}) if content_length
+      options[:headers].merge!({:content_type => content_type}) if content_type
       options[:headers].merge!({:authorization => key}) if key
 
       connection = Faraday.new(options) do |connection|
-        connection.use Faraday::Request::UrlEncoded
+        connection.use Faraday::Request::UrlEncoded unless content_type
         case format.to_s.downcase
         when 'json'
           connection.use Faraday::Response::ParseJson
diff --git a/lib/gems/request.rb b/lib/gems/request.rb
index 2fc4586..d0aad3c 100644
--- a/lib/gems/request.rb
+++ b/lib/gems/request.rb
@@ -1,31 +1,37 @@
+require 'rubygems'
+
 module Gems
   module Request
-    def delete(path, options={}, format=format)
-      request(:delete, path, options, format)
+    def delete(path, options={}, format=format, content_type=nil)
+      request(:delete, path, options, format, content_type)
     end
 
-    def get(path, options={}, format=format)
-      request(:get, path, options, format)
+    def get(path, options={}, format=format, content_type=nil)
+      request(:get, path, options, format, content_type)
     end
 
-    def post(path, options={}, format=format)
-      request(:post, path, options, format)
+    def post(path, options={}, format=format, content_type=nil)
+      request(:post, path, options, format, content_type)
     end
 
-    def put(path, options={}, format=format)
-      request(:put, path, options, format)
+    def put(path, options={}, format=format, content_type=nil)
+      request(:put, path, options, format, content_type)
     end
 
     private
 
-    def request(method, path, options, format)
-      response = connection(format).send(method) do |request|
+    def request(method, path, options, format, content_type)
+      content_length = case content_type
+      when 'application/octet-stream'
+        options.size
+      end
+      response = connection(content_length, content_type, format).send(method) do |request|
         case method
         when :delete, :get
           request.url(formatted_path(path, format), options)
         when :post, :put
           request.path = formatted_path(path, format)
-          request.body = options unless options.empty?
+          request.body = options unless options == {}
         end
       end
       response.body
diff --git a/spec/fixtures/gems-0.0.8.gem b/spec/fixtures/gems-0.0.8.gem
new file mode 100644
index 0000000..1396c82
Binary files /dev/null and b/spec/fixtures/gems-0.0.8.gem differ
diff --git a/spec/fixtures/push b/spec/fixtures/push
new file mode 100644
index 0000000..7fbf6a6
--- /dev/null
+++ b/spec/fixtures/push
@@ -0,0 +1 @@
+Successfully registered gem: gems (0.0.8)
\ No newline at end of file
diff --git a/spec/gems/client_spec.rb b/spec/gems/client_spec.rb
index addd62a..633830f 100644
--- a/spec/gems/client_spec.rb
+++ b/spec/gems/client_spec.rb
@@ -289,6 +289,20 @@
     end
   end
 
+  describe ".push" do
+    before do
+      stub_post("/api/v1/gems").
+        to_return(:body => fixture("push"))
+    end
+
+    it "should submit a gem to RubyGems.org" do
+      push = Gems.push(File.new(File.expand_path("../../fixtures/gems-0.0.8.gem", __FILE__), "rb"))
+      a_post("/api/v1/gems").
+        should have_been_made
+      push.should == "Successfully registered gem: gems (0.0.8)"
+    end
+  end
+
   describe ".yank" do
     context "with no version specified" do
       before do