Update versioncake config

api/lib/spree/api/engine.rb

@@ -16,13 +16,20 @@ class Engine < Rails::Engine
         config.json_engine = ActiveSupport::JSON
       end
 
-      config.view_versions = [1]
-      config.view_version_extraction_strategy = :http_header
-
       initializer "spree.api.environment", before: :load_config_initializers do |_app|
         Spree::Api::Config = Spree::ApiConfiguration.new
       end
 
+      initializer "spree.api.versioncake" do |_app|
+        VersionCake.setup do |config|
+          config.resources do |r|
+            r.resource %r{.*}, [], [], [1]
+          end
+          config.missing_version = 1
+          config.extraction_strategy = :http_header
+        end
+      end
+
       def self.activate
         Dir.glob(File.join(File.dirname(__FILE__), "../../../app/**/*_decorator*.rb")) do |c|
           Rails.configuration.cache_classes ? require(c) : load(c)