diff --git a/lib/mongoid.rb b/lib/mongoid.rb
index <HASH>..<HASH> 100644
--- a/lib/mongoid.rb
+++ b/lib/mongoid.rb
@@ -5,6 +5,7 @@ require "delegate"
 require "time"
 require "set"
 
+require "active_support"
 require "active_support/core_ext"
 require "active_support/json"
 require "active_support/inflector"
Require `active_support` before cherry-picking any modules