diff --git a/activesupport/lib/active_support/core_ext/digest.rb b/activesupport/lib/active_support/core_ext/digest.rb
new file mode 100644
index 0000000000..ce1427e13a
--- /dev/null
+++ b/activesupport/lib/active_support/core_ext/digest.rb
@@ -0,0 +1,3 @@
+# frozen_string_literal: true
+
+require "active_support/core_ext/digest/uuid"