diff --git a/lib/active_model_serializers.rb b/lib/active_model_serializers.rb
index d8a79f8d..6f00620f 100644
--- a/lib/active_model_serializers.rb
+++ b/lib/active_model_serializers.rb
@@ -1,6 +1,6 @@
 require 'logger'
 require 'active_model'
-require 'active_support/railtie'
+require 'active_support'
 require 'action_controller'
 require 'action_controller/railtie'
 module ActiveModelSerializers