diff --git a/Library/Homebrew/cask/dsl/depends_on.rb b/Library/Homebrew/cask/dsl/depends_on.rb
index f786366095..8e2280459a 100644
--- a/Library/Homebrew/cask/dsl/depends_on.rb
+++ b/Library/Homebrew/cask/dsl/depends_on.rb
@@ -24,6 +24,7 @@ module Cask
         intel:  { type: :intel, bits: 64 },
         # specific
         x86_64: { type: :intel, bits: 64 },
+        arm64:  { type: :arm, bits: 64 },
       }.freeze
 
       attr_accessor :java
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-arch.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-arch.rb
index 13fa517d6c..062d8df871 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-arch.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-arch.rb
@@ -6,7 +6,7 @@ cask "with-depends-on-arch" do
   homepage "https://brew.sh/with-depends-on-arch"
 
   # covers all known hardware; always succeeds
-  depends_on arch: :intel
+  depends_on arch: [:intel, :arm64]
 
   app "Caffeine.app"
 end