diff --git a/actionpack/lib/action_controller/test_case.rb b/actionpack/lib/action_controller/test_case.rb
index 89176736c8..0a728aa7c0 100644
--- a/actionpack/lib/action_controller/test_case.rb
+++ b/actionpack/lib/action_controller/test_case.rb
@@ -2,6 +2,7 @@ require 'rack/session/abstract/id'
 require 'active_support/core_ext/object/to_query'
 require 'active_support/core_ext/module/anonymous'
 require 'active_support/core_ext/hash/keys'
+require 'action_view/testing/assertions'
 
 module ActionController
   module TemplateAssertions