diff --git a/Casks/emacs-app-monthly.rb b/Casks/emacs-app-monthly.rb
index a93eb19b..399c4e8c 100644
--- a/Casks/emacs-app-monthly.rb
+++ b/Casks/emacs-app-monthly.rb
@@ -5,16 +5,16 @@ cask 'emacs-app-monthly' do
   desc 'GNU Emacs text editor (monthly build)'
   homepage 'https://github.com/jimeh/emacs-builds'
 
-  version '2025-09-01.b953dc6.master'
+  version '2025-10-01.17ef2d6.master'
 
   on_arm do
-    sha256 '6582861d817cf9a8b04bb3a76e1c7792175aa01382779e331928a541ecd84df8'
-    url 'https://github.com/jimeh/emacs-builds/releases/download/Emacs.2025-09-01.b953dc6.master/Emacs.2025-09-01.b953dc6.master.macOS-11.arm64.dmg'
+    sha256 'c810472eed31737f587f07186b13d19ee3c56f98791346669365563ca2356a69'
+    url 'https://github.com/jimeh/emacs-builds/releases/download/Emacs.2025-10-01.17ef2d6.master/Emacs.2025-10-01.17ef2d6.master.macOS-11.arm64.dmg'
     depends_on macos: '>= :big_sur'
   end
   on_intel do
-    sha256 'ce3098c54047d628cc086c1954379f64eb154e0ace74d745293765b90ab467c8'
-    url 'https://github.com/jimeh/emacs-builds/releases/download/Emacs.2025-09-01.b953dc6.master/Emacs.2025-09-01.b953dc6.master.macOS-11.x86_64.dmg'
+    sha256 '04d2fafa0d7435c4f2072badabaeeb52c120ccc549287ca99b5a6be3a3e1862d'
+    url 'https://github.com/jimeh/emacs-builds/releases/download/Emacs.2025-10-01.17ef2d6.master/Emacs.2025-10-01.17ef2d6.master.macOS-11.x86_64.dmg'
     depends_on macos: '>= :big_sur'
   end