diff --git a/Library/Homebrew/cask/lib/hbc/cli/upgrade.rb b/Library/Homebrew/cask/lib/hbc/cli/upgrade.rb
index 276b180aa1..3969546712 100644
--- a/Library/Homebrew/cask/lib/hbc/cli/upgrade.rb
+++ b/Library/Homebrew/cask/lib/hbc/cli/upgrade.rb
@@ -82,6 +82,10 @@ module Hbc
       def self.help
         "upgrades all outdated casks"
       end
+
+      def self.needs_init?
+        true
+      end
     end
   end
 end