diff --git a/Casks/emacs-app-nightly.rb b/Casks/emacs-app-nightly.rb
index 6f299bbc..03c546d0 100644
--- a/Casks/emacs-app-nightly.rb
+++ b/Casks/emacs-app-nightly.rb
@@ -5,10 +5,10 @@ cask 'emacs-app-nightly' do
   desc 'GNU Emacs text editor (nightly build)'
   homepage 'https://github.com/jimeh/emacs-builds'
 
-  version '2024-07-06.2e97775.master'
+  version '2024-07-07.4d21dff.master'
 
-  sha256 '7935dbb21813c428f32486cf2ddc092ea00dc9a53adc6ef6cfc86b56c450ce94'
-  url 'https://github.com/jimeh/emacs-builds/releases/download/Emacs.2024-07-06.2e97775.master/Emacs.2024-07-06.2e97775.master.macOS-12.x86_64.dmg'
+  sha256 'f24564ad489ff9bc7b6dd4138cc304c25b1fee6f3d77c58a83c0fa3ac4de025e'
+  url 'https://github.com/jimeh/emacs-builds/releases/download/Emacs.2024-07-07.4d21dff.master/Emacs.2024-07-07.4d21dff.master.macOS-12.x86_64.dmg'
   depends_on macos: '>= :monterey'
 
   livecheck do