diff --git a/lib/airborne/base.rb b/lib/airborne/base.rb
index <HASH>..<HASH> 100644
--- a/lib/airborne/base.rb
+++ b/lib/airborne/base.rb
@@ -1,5 +1,5 @@
 require 'json'
-require 'active_support/core_ext/hash'
+require 'active_support/hash_with_indifferent_access'
 
 module Airborne
 	include RequestExpectations
Requires just HashWithIndifferentAccess class.