diff --git a/lib/shopify_api/base.rb b/lib/shopify_api/base.rb
index ff7b432b4..ce7c1ae3c 100644
--- a/lib/shopify_api/base.rb
+++ b/lib/shopify_api/base.rb
@@ -1,3 +1,5 @@
+require 'active_resource/version'
+
 module ShopifyAPI
   class Base < ActiveResource::Base
     extend Countable