diff --git a/activesupport/lib/active_support/core_ext/module/introspection.rb b/activesupport/lib/active_support/core_ext/module/introspection.rb
index 654d399ea66a6..e45e3d3007ff4 100644
--- a/activesupport/lib/active_support/core_ext/module/introspection.rb
+++ b/activesupport/lib/active_support/core_ext/module/introspection.rb
@@ -1,5 +1,6 @@
 # frozen_string_literal: true
 
+require "active_support/core_ext/string/filters"
 require "active_support/inflector"
 
 class Module