diff --git a/Gemfile b/Gemfile
index 5158fbcae..47bc726aa 100644
--- a/Gemfile
+++ b/Gemfile
@@ -9,6 +9,7 @@ gem 'autoparse', '>= 0.3.2'
 gem 'faraday', '~> 0.8.1'
 gem 'multi_json', '>= 1.0.0'
 gem 'extlib', '>= 0.9.15'
+gem 'jwt', '~> 0.1.5'
 gem 'jruby-openssl', :platforms => :jruby
 
 group :development do
diff --git a/bin/google-api b/bin/google-api
index 136960485..f39b7908e 100755
--- a/bin/google-api
+++ b/bin/google-api
@@ -10,11 +10,8 @@ OAUTH_SERVER_PORT = 12736
 
 require 'rubygems'
 require 'optparse'
-
-gem 'faraday', '~> 0.8.1'
 require 'faraday'
 require 'faraday/utils'
-
 require 'webrick'
 require 'google/api_client/version'
 require 'google/api_client'
@@ -187,7 +184,6 @@ HTML
       end
 
       def client
-        gem 'signet', '~> 0.4.0'
         require 'signet/oauth_1/client'
         require 'yaml'
         require 'irb'
@@ -281,7 +277,6 @@ HTML
       ]
 
       def oauth_1_login
-        gem 'signet', '~> 0.4.0'
         require 'signet/oauth_1/client'
         require 'launchy'
         require 'yaml'
@@ -349,7 +344,6 @@ HTML
       end
 
       def oauth_2_login
-        gem 'signet', '~> 0.4.0'
         require 'signet/oauth_2/client'
         require 'launchy'
         require 'yaml'
@@ -471,9 +465,8 @@ HTML
           method = options[:http_method]
           method ||= request_body == '' ? 'GET' : 'POST'
           method.upcase!
-          request = [method, uri.to_str, headers, [request_body]]
-          request = client.generate_authenticated_request(:request => request)
-          response = client.transmit(request)
+          response = client.execute(:http_method => method, :uri => uri.to_str, 
+            :headers => headers, :body => request_body)
           puts response.body
           exit(0)
         else
diff --git a/lib/compat/multi_json.rb b/lib/compat/multi_json.rb
index 673245446..6d8273679 100644
--- a/lib/compat/multi_json.rb
+++ b/lib/compat/multi_json.rb
@@ -1,4 +1,3 @@
-gem 'multi_json', '>= 1.0.0'
 require 'multi_json'
 
 unless MultiJson.respond_to?(:load)
diff --git a/lib/google/api_client.rb b/lib/google/api_client.rb
index 35fa8d222..0a5ce0f74 100644
--- a/lib/google/api_client.rb
+++ b/lib/google/api_client.rb
@@ -13,7 +13,6 @@
 # limitations under the License.
 
 
-gem 'faraday', '~> 0.8.1'
 require 'faraday'
 require 'faraday/utils'
 require 'multi_json'
@@ -114,7 +113,6 @@ module Google
     def authorization=(new_authorization)
       case new_authorization
       when :oauth_1, :oauth
-        gem 'signet', '~> 0.4.0'
         require 'signet/oauth_1/client'
         # NOTE: Do not rely on this default value, as it may change
         new_authorization = Signet::OAuth1::Client.new(
@@ -128,7 +126,6 @@ module Google
           :client_credential_secret => 'anonymous'
         )
       when :two_legged_oauth_1, :two_legged_oauth
-        gem 'signet', '~> 0.4.0'
         require 'signet/oauth_1/client'
         # NOTE: Do not rely on this default value, as it may change
         new_authorization = Signet::OAuth1::Client.new(
@@ -137,7 +134,6 @@ module Google
           :two_legged => true
         )
       when :oauth_2
-        gem 'signet', '~> 0.4.0'
         require 'signet/oauth_2/client'
         # NOTE: Do not rely on this default value, as it may change
         new_authorization = Signet::OAuth2::Client.new(
@@ -449,7 +445,6 @@ module Google
     # an ID token supplied by an untrusted client-side mechanism is valid.
     # Raises an error if the token is invalid or missing.
     def verify_id_token!
-      gem 'jwt', '~> 0.1.4'
       require 'jwt'
       require 'openssl'
       @certificates ||= {}
diff --git a/lib/google/api_client/reference.rb b/lib/google/api_client/reference.rb
index 331b49048..14ab24ca3 100644
--- a/lib/google/api_client/reference.rb
+++ b/lib/google/api_client/reference.rb
@@ -13,7 +13,6 @@
 # limitations under the License.
 
 
-gem 'faraday', '~> 0.8.1'
 require 'faraday'
 require 'faraday/utils'
 require 'multi_json'
diff --git a/spec/google/api_client/discovery_spec.rb b/spec/google/api_client/discovery_spec.rb
index ad8cadde3..530a9206f 100644
--- a/spec/google/api_client/discovery_spec.rb
+++ b/spec/google/api_client/discovery_spec.rb
@@ -17,15 +17,11 @@
 
 require 'spec_helper'
 
-gem 'faraday', '~> 0.8.1'
 require 'faraday'
 require 'faraday/utils'
 require 'multi_json'
 require 'compat/multi_json'
-
-gem 'signet', '~> 0.4.0'
 require 'signet/oauth_1/client'
-
 require 'google/api_client'
 require 'google/api_client/version'
 
diff --git a/spec/google/api_client_spec.rb b/spec/google/api_client_spec.rb
index 856731254..868684cb9 100644
--- a/spec/google/api_client_spec.rb
+++ b/spec/google/api_client_spec.rb
@@ -14,13 +14,9 @@
 
 require 'spec_helper'
 
-gem 'faraday', '~> 0.8.1'
 require 'faraday'
 require 'faraday/utils'
-
-gem 'signet', '~> 0.4.0'
 require 'signet/oauth_1/client'
-
 require 'google/api_client'
 require 'google/api_client/version'