diff --git a/airtable.gemspec b/airtable.gemspec
index e290885..ae7e853 100644
--- a/airtable.gemspec
+++ b/airtable.gemspec
@@ -19,9 +19,10 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_dependency "httparty", "~> 0.14.0"
+  spec.add_dependency "activesupport", ">= 3.0"
+
   spec.add_development_dependency "bundler", "~> 1.6"
   spec.add_development_dependency "rake"
   spec.add_development_dependency "minitest", "~> 5.6.0"
   spec.add_development_dependency "webmock", "~> 2.1.0"
-  spec.add_development_dependency "activesupport", ">= 3.0"
 end
diff --git a/lib/airtable.rb b/lib/airtable.rb
index a4fbeec..52b7858 100644
--- a/lib/airtable.rb
+++ b/lib/airtable.rb
@@ -1,5 +1,7 @@
 require 'httparty'
 require 'delegate'
+require 'active_support/core_ext/hash'
+
 require 'airtable/version'
 require 'airtable/resource'
 require 'airtable/record'
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 975b3c5..c0e9338 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -2,7 +2,6 @@
 require 'webmock/minitest'
 require 'minitest/pride'
 require 'minitest/autorun'
-require 'active_support/core_ext/hash'
 
 def stub_airtable_response!(url, response, method=:get, status=200)