diff --git a/Casks/emacs-app-nightly.rb b/Casks/emacs-app-nightly.rb
index cefdc863..cdf35381 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 '2021-12-22.b1cfdb3.master'
+  version '2021-12-23.2fa7fec.master'
 
-  sha256 '426e448ce718d1e9d9f853aa02b1709d36ca9d25dcd7b57d9d9e9b480a3735c6'
-  url 'https://github.com/jimeh/emacs-builds/releases/download/Emacs.2021-12-22.b1cfdb3.master/Emacs.2021-12-22.b1cfdb3.master.macOS-10-15.x86_64.dmg'
+  sha256 'be5dab37ea0467edcaa76512ab7cd1cf1a642af3e2e5b18e0159bf449d8bdb8a'
+  url 'https://github.com/jimeh/emacs-builds/releases/download/Emacs.2021-12-23.2fa7fec.master/Emacs.2021-12-23.2fa7fec.master.macOS-10-15.x86_64.dmg'
 
   name 'Emacs'
   desc 'GNU Emacs text editor (nightly build)'