diff --git a/Library/Homebrew/cask/quarantine.rb b/Library/Homebrew/cask/quarantine.rb
index 8c5436c65c..752c66a3fd 100644
--- a/Library/Homebrew/cask/quarantine.rb
+++ b/Library/Homebrew/cask/quarantine.rb
@@ -186,6 +186,7 @@ module Cask
           from,
           to,
         ],
+        sudo: !to.writable?,
       )
     end
   end