diff --git a/Library/Homebrew/deprecate_disable.rb b/Library/Homebrew/deprecate_disable.rb
index 55d6a24add..4bfdb97b31 100644
--- a/Library/Homebrew/deprecate_disable.rb
+++ b/Library/Homebrew/deprecate_disable.rb
@@ -24,6 +24,8 @@ module DeprecateDisable
 
   CASK_DEPRECATE_DISABLE_REASONS = {
     discontinued: "is discontinued upstream",
+    no_longer_available: "is no longer available upstream",
+    unmaintained: "is not maintained upstream",
   }.freeze
 
   def type(formula_or_cask)