diff --git a/Casks/emacs-app-nightly.rb b/Casks/emacs-app-nightly.rb
index 9bdafb22..a3f831e1 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 '2021-10-09.cc202c7.master'
+  version '2021-10-10.005c15c.master'
 
-  sha256 ''
-  url ''
+  sha256 '3f548a26397df3d96fc228d18d5a7c1aa445b8e881b0dc190b0ac2eeda91e899'
+  url 'https://github.com/jimeh/emacs-builds/releases/download/Emacs.2021-10-10.005c15c.master/Emacs.2021-10-10.005c15c.master.macOS-10-15.x86_64.dmg'
 
   name 'Emacs'
   desc 'GNU Emacs text editor (nightly build)'