diff --git a/dfp_api/ChangeLog b/dfp_api/ChangeLog
index e022f3d50..130fce085 100755
--- a/dfp_api/ChangeLog
+++ b/dfp_api/ChangeLog
@@ -1,3 +1,10 @@
+1.0.0:
+  - Major version bump. The library has been stable and feature complete for
+    some time, and this is more accurately reflected by this version number.
+  - No longer include test files in the built gem.
+  - Removing support for multiple environments.
+  - Require google-ads-common 1.0.0 or later from now on.
+
 0.22.0:
   - Added support for v201708.
   - Removed support for v201608.
diff --git a/dfp_api/dfp_api.yml b/dfp_api/dfp_api.yml
index 39f295ce5..9260606cb 100755
--- a/dfp_api/dfp_api.yml
+++ b/dfp_api/dfp_api.yml
@@ -39,9 +39,6 @@
 
   # Required for all calls other than GetAllNetworks and MakeTestNetwork.
   :network_code: INSERT_NETWORK_CODE_HERE
-:service:
-  # Only production environment is now available.
-  :environment: PRODUCTION
 :connection:
   # Enable to request all responses to be compressed.
   :enable_gzip: false
diff --git a/dfp_api/google-dfp-api.gemspec b/dfp_api/google-dfp-api.gemspec
index c8166ed74..c74ce7055 100755
--- a/dfp_api/google-dfp-api.gemspec
+++ b/dfp_api/google-dfp-api.gemspec
@@ -36,6 +36,5 @@ Gem::Specification.new do |s|
   s.require_path = 'lib'
   s.files = Dir.glob('lib/**/*') +
       %w(COPYING README.md ChangeLog dfp_api.yml)
-  s.test_files = Dir.glob('test/**/test_*.rb')
-  s.add_dependency('google-ads-common', '~> 0.14.0')
+  s.add_dependency('google-ads-common', '~> 1.0.0')
 end
diff --git a/dfp_api/lib/dfp_api/api_config.rb b/dfp_api/lib/dfp_api/api_config.rb
index d9b1d34b9..bbe46d392 100755
--- a/dfp_api/lib/dfp_api/api_config.rb
+++ b/dfp_api/lib/dfp_api/api_config.rb
@@ -32,7 +32,6 @@ class << ApiConfig
 
     # Set defaults
     DEFAULT_VERSION = :v201708
-    DEFAULT_ENVIRONMENT = :PRODUCTION
     LATEST_VERSION = :v201708
 
     # Set other constants
@@ -139,16 +138,14 @@ class << ApiConfig
                    :UserTeamAssociationService, :WorkflowRequestService],
     }
 
-    # Configure the different environments, with the base URL for each one
-    @@environment_config = {
-      :PRODUCTION => {
-        :oauth_scope => 'https://www.googleapis.com/auth/dfp',
-        :header_ns => 'https://www.google.com/apis/ads/publisher/',
-        :v201611 => 'https://ads.google.com/apis/ads/publisher/',
-        :v201702 => 'https://ads.google.com/apis/ads/publisher/',
-        :v201705 => 'https://ads.google.com/apis/ads/publisher/',
-        :v201708 => 'https://ads.google.com/apis/ads/publisher/',
-      }
+    # Configure the base URL for each version and scope.
+    @@config = {
+      :oauth_scope => 'https://www.googleapis.com/auth/dfp',
+      :header_ns => 'https://www.google.com/apis/ads/publisher/',
+      :v201611 => 'https://ads.google.com/apis/ads/publisher/',
+      :v201702 => 'https://ads.google.com/apis/ads/publisher/',
+      :v201705 => 'https://ads.google.com/apis/ads/publisher/',
+      :v201708 => 'https://ads.google.com/apis/ads/publisher/'
     }
 
     public
@@ -158,10 +155,6 @@ def self.default_version
       DEFAULT_VERSION
     end
 
-    def self.default_environment
-      DEFAULT_ENVIRONMENT
-    end
-
     def self.latest_version
       LATEST_VERSION
     end
@@ -174,9 +167,8 @@ def self.service_config
       @@service_config
     end
 
-    def self.environment_config(environment, key)
-      return @@environment_config.include?(environment) ?
-          @@environment_config[environment][key] : nil
+    def self.config(key)
+      @@config[key]
     end
 
     def self.subdir_config
diff --git a/dfp_api/lib/dfp_api/version.rb b/dfp_api/lib/dfp_api/version.rb
index 7f3cadbf1..f74a59684 100755
--- a/dfp_api/lib/dfp_api/version.rb
+++ b/dfp_api/lib/dfp_api/version.rb
@@ -19,6 +19,6 @@
 
 module DfpApi
   module ApiConfig
-    CLIENT_LIB_VERSION = '0.22.0'
+    CLIENT_LIB_VERSION = '1.0.0'
   end
 end
diff --git a/dfp_api/test/bugs/test_issue_00000007.rb b/dfp_api/test/bugs/test_issue_00000007.rb
index 633775a4a..71c024273 100755
--- a/dfp_api/test/bugs/test_issue_00000007.rb
+++ b/dfp_api/test/bugs/test_issue_00000007.rb
@@ -25,7 +25,7 @@
 require 'ads_common/config'
 require 'ads_common/savon_service'
 require 'ads_savon/soap/response'
-require 'dfp_api/v201608/line_item_service'
+require 'dfp_api/v201708/line_item_service'
 
 class HeaderHandler
   def prepare_request(http, soap)
@@ -45,11 +45,11 @@ def initialize(namespace, endpoint, version)
   end
 
   def get_module()
-    return DfpApi::V201608::LineItemService
+    return DfpApi::V201708::LineItemService
   end
 
   def get_service_registry()
-    return DfpApi::V201608::LineItemService::LineItemServiceRegistry
+    return DfpApi::V201708::LineItemService::LineItemServiceRegistry
   end
 end
 
@@ -61,8 +61,8 @@ class TestDfpIssue7 < Test::Unit::TestCase
 
   TEST_NAMESPACE = 'https://ads.google.com/apis/ads/publisher/'
   TEST_ENDPOINT =
-      'https://ads.google.com/apis/ads/publisher/v201608/LineItemService?wsdl'
-  TEST_VERSION = :v201608
+      'https://ads.google.com/apis/ads/publisher/v201708/LineItemService?wsdl'
+  TEST_VERSION = :v201708
 
   def test_issue_7_request()
     args = {:line_items => [
@@ -95,7 +95,7 @@ def test_issue_7_response()
   def get_xml_response_text()
     return <<EOT
   <soap:Body>
-    <getLineItemsByStatementResponse xmlns="https://www.google.com/apis/ads/publisher/v201608">
+    <getLineItemsByStatementResponse xmlns="https://www.google.com/apis/ads/publisher/v201708">
       <rval>
         <totalResultSetSize>1</totalResultSetSize>
         <startIndex>0</startIndex>