diff --git a/Casks/emacs-app-nightly.rb b/Casks/emacs-app-nightly.rb
index 65c708e4..1830ab7f 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 '2023-08-25.6426912.master'
+  version '2023-08-26.ecb1e6c.master'
 
-  sha256 'f76c51dc99af3dffc3c6c80f61ebea0b6f53167690551c8f506b4a0bb22a491c'
-  url 'https://github.com/jimeh/emacs-builds/releases/download/Emacs.2023-08-25.6426912.master/Emacs.2023-08-25.6426912.master.macOS-11.x86_64.dmg'
+  sha256 '90b25e67a847f91812bc78005960e7ec7478f8a9c597dc7ea20fa3bbcf0f313f'
+  url 'https://github.com/jimeh/emacs-builds/releases/download/Emacs.2023-08-26.ecb1e6c.master/Emacs.2023-08-26.ecb1e6c.master.macOS-11.x86_64.dmg'
 
   name 'Emacs'
   desc 'GNU Emacs text editor (nightly build)'