diff --git a/Casks/emacs-app-nightly.rb b/Casks/emacs-app-nightly.rb
index bda25535..e58cc2dc 100644
--- a/Casks/emacs-app-nightly.rb
+++ b/Casks/emacs-app-nightly.rb
@@ -1,10 +1,10 @@
 # frozen_string_literal: true
 
 cask 'emacs-app-nightly' do
-  version '2021-11-25.9d37be3.master'
+  version '2021-11-26.9721dcf.master'
 
-  sha256 '1feea8bfee506e500ac546edefa5805c26b7cfbc9f037abffa869f8a4e46c1f8'
-  url 'https://github.com/jimeh/emacs-builds/releases/download/Emacs.2021-11-25.9d37be3.master/Emacs.2021-11-25.9d37be3.master.macOS-10-15.x86_64.dmg'
+  sha256 'af0cdff11e5a22f00bb24fc43328f970435c85e2f446f47b5bc6d8a114a92c10'
+  url 'https://github.com/jimeh/emacs-builds/releases/download/Emacs.2021-11-26.9721dcf.master/Emacs.2021-11-26.9721dcf.master.macOS-10-15.x86_64.dmg'
 
   name 'Emacs'
   desc 'GNU Emacs text editor (nightly build)'