diff --git a/Library/Homebrew/cask/lib/hbc/cli/upgrade.rb b/Library/Homebrew/cask/lib/hbc/cli/upgrade.rb
index 392b87575b..fc4f24ac09 100644
--- a/Library/Homebrew/cask/lib/hbc/cli/upgrade.rb
+++ b/Library/Homebrew/cask/lib/hbc/cli/upgrade.rb
@@ -26,6 +26,7 @@ module Hbc
           return
         end
 
+        ohai "Casks with `auto_updates` or `version :latest` will not be upgraded" if args.empty?
         oh1 "Upgrading #{Formatter.pluralize(outdated_casks.length, "outdated package")}, with result:"
         puts outdated_casks.map { |f| "#{f.full_name} #{f.version}" } * ", "