diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..0e40fe8
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,3 @@
+
+# Default ignored files
+/workspace.xml
\ No newline at end of file
diff --git a/address_validate.gemspec b/address_validate.gemspec
index d00a488..8a411b6 100644
--- a/address_validate.gemspec
+++ b/address_validate.gemspec
@@ -20,9 +20,9 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
   spec.required_ruby_version = '>= 2.0.0'
 
-  spec.add_dependency "ox", "~> 2.4.1"
+  spec.add_dependency "ox", "~> 2.14.18"
 
-  spec.add_development_dependency "bundler", "~> 1.11"
+  spec.add_development_dependency "bundler", "~> 2.2"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "rspec", "~> 3.0"
   spec.add_development_dependency "pry"
diff --git a/lib/address_validate/api/request.rb b/lib/address_validate/api/request.rb
index ecb63a1..a85a51a 100644
--- a/lib/address_validate/api/request.rb
+++ b/lib/address_validate/api/request.rb
@@ -14,6 +14,7 @@ def initialize(data)
       def build_xml
         request_xml = build_node('AddressValidateRequest', nil,
                         { 'USERID' => AddressValidate.username })
+        request_xml << build_revision
         request_xml << build_address
         Ox.dump(request_xml)
       end
@@ -25,6 +26,10 @@ def build_node(name, text, attrs={})
         node
       end
 
+      def build_revision
+        build_node('Revision', '1', {})
+      end
+
       def build_address
         address = build_node('Address', nil, { 'ID' => 0 })
         AddressValidate.address_fields_map.each do |field, name|
diff --git a/lib/address_validate/configuration.rb b/lib/address_validate/configuration.rb
index 6d0cf7d..dffbb4c 100644
--- a/lib/address_validate/configuration.rb
+++ b/lib/address_validate/configuration.rb
@@ -1,8 +1,8 @@
 module AddressValidate
   module Configuration
     API_URLS = {
-      test: 'http://production.shippingapis.com/ShippingAPITest.dll',
-      production: 'http://production.shippingapis.com/ShippingAPI.dll'
+      test: 'https://production.shippingapis.com/ShippingAPITest.dll',
+      production: 'https://production.shippingapis.com/ShippingAPI.dll'
     }
 
     attr_accessor :environment, :username, :password,
diff --git a/lib/address_validate/version.rb b/lib/address_validate/version.rb
index 9f63ddd..d7cf414 100644
--- a/lib/address_validate/version.rb
+++ b/lib/address_validate/version.rb
@@ -1,3 +1,3 @@
 module AddressValidate
-  VERSION = "0.1.1"
+  VERSION = "0.1.5"
 end