diff --git a/Casks/emacs-app-good/meta.json b/Casks/emacs-app-good/meta.json
index d50cdd4d..42d21053 100644
--- a/Casks/emacs-app-good/meta.json
+++ b/Casks/emacs-app-good/meta.json
@@ -130,7 +130,7 @@
   "disable_reason": null,
   "disable_replacement_formula": null,
   "disable_replacement_cask": null,
-  "tap_git_head": "02677f43db43cf3af3f76986b3f264d3ecbfad0e",
+  "tap_git_head": "171421c3927285f6de42a85a0e2f934604e031d4",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app-good.rb",
   "ruby_source_checksum": {
diff --git a/Casks/emacs-app-monthly/meta.json b/Casks/emacs-app-monthly/meta.json
index 1a4b96df..6045b962 100644
--- a/Casks/emacs-app-monthly/meta.json
+++ b/Casks/emacs-app-monthly/meta.json
@@ -129,7 +129,7 @@
   "disable_reason": null,
   "disable_replacement_formula": null,
   "disable_replacement_cask": null,
-  "tap_git_head": "02677f43db43cf3af3f76986b3f264d3ecbfad0e",
+  "tap_git_head": "171421c3927285f6de42a85a0e2f934604e031d4",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app-monthly.rb",
   "ruby_source_checksum": {
diff --git a/Casks/emacs-app-nightly-28/meta.json b/Casks/emacs-app-nightly-28/meta.json
index e3ea932e..579b4423 100644
--- a/Casks/emacs-app-nightly-28/meta.json
+++ b/Casks/emacs-app-nightly-28/meta.json
@@ -130,7 +130,7 @@
   "disable_reason": null,
   "disable_replacement_formula": null,
   "disable_replacement_cask": null,
-  "tap_git_head": "02677f43db43cf3af3f76986b3f264d3ecbfad0e",
+  "tap_git_head": "171421c3927285f6de42a85a0e2f934604e031d4",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app-nightly-28.rb",
   "ruby_source_checksum": {
diff --git a/Casks/emacs-app-nightly-29/meta.json b/Casks/emacs-app-nightly-29/meta.json
index 6fdae07d..43c587d7 100644
--- a/Casks/emacs-app-nightly-29/meta.json
+++ b/Casks/emacs-app-nightly-29/meta.json
@@ -130,7 +130,7 @@
   "disable_reason": null,
   "disable_replacement_formula": null,
   "disable_replacement_cask": null,
-  "tap_git_head": "02677f43db43cf3af3f76986b3f264d3ecbfad0e",
+  "tap_git_head": "171421c3927285f6de42a85a0e2f934604e031d4",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app-nightly-29.rb",
   "ruby_source_checksum": {
diff --git a/Casks/emacs-app-nightly/meta.json b/Casks/emacs-app-nightly/meta.json
index 8b78ef74..147956fc 100644
--- a/Casks/emacs-app-nightly/meta.json
+++ b/Casks/emacs-app-nightly/meta.json
@@ -8,9 +8,9 @@
   ],
   "desc": "GNU Emacs text editor (nightly build)",
   "homepage": "https://github.com/jimeh/emacs-builds",
-  "url": "https://github.com/jimeh/emacs-builds/releases/download/Emacs.2025-10-08.b469506.master/Emacs.2025-10-08.b469506.master.macOS-11.arm64.dmg",
+  "url": "https://github.com/jimeh/emacs-builds/releases/download/Emacs.2025-10-09.816a7b5.master/Emacs.2025-10-09.816a7b5.master.macOS-11.arm64.dmg",
   "url_specs": {},
-  "version": "2025-10-08.b469506.master",
+  "version": "2025-10-09.816a7b5.master",
   "autobump": true,
   "no_autobump_message": null,
   "skip_livecheck": false,
@@ -19,7 +19,7 @@
   "bundle_version": null,
   "bundle_short_version": null,
   "outdated": false,
-  "sha256": "050cd133dd22402adc8dd773c9f877e40bea4458d3a69dea2092c9748d75c996",
+  "sha256": "779f38e47c9cfa2e02ba9b89ea519823c521b176189547a333943fae531a0745",
   "artifacts": [
     {
       "app": [
@@ -130,10 +130,10 @@
   "disable_reason": null,
   "disable_replacement_formula": null,
   "disable_replacement_cask": null,
-  "tap_git_head": "02677f43db43cf3af3f76986b3f264d3ecbfad0e",
+  "tap_git_head": "171421c3927285f6de42a85a0e2f934604e031d4",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app-nightly.rb",
   "ruby_source_checksum": {
-    "sha256": "ed2383b41ec574754551e75c6922ce8c232e410257e5febcaf7c5bb7ca39c99b"
+    "sha256": "6a1ea716945bd18086f3bbdf47e3f6ceedca90c2ffec62536d7b1c8f544eb3c0"
   }
 }
diff --git a/Casks/emacs-app-nightly/shield.json b/Casks/emacs-app-nightly/shield.json
index 27317d44..54561ad5 100644
--- a/Casks/emacs-app-nightly/shield.json
+++ b/Casks/emacs-app-nightly/shield.json
@@ -5,5 +5,5 @@
   "namedLogo": "GNU Emacs",
   "logoColor": "white",
   "label": "nightly",
-  "message": "2025-10-08.b469506.master"
+  "message": "2025-10-09.816a7b5.master"
 }
diff --git a/Casks/emacs-app-pretest/meta.json b/Casks/emacs-app-pretest/meta.json
index ba7b9364..6d74b929 100644
--- a/Casks/emacs-app-pretest/meta.json
+++ b/Casks/emacs-app-pretest/meta.json
@@ -130,7 +130,7 @@
   "disable_reason": null,
   "disable_replacement_formula": null,
   "disable_replacement_cask": null,
-  "tap_git_head": "02677f43db43cf3af3f76986b3f264d3ecbfad0e",
+  "tap_git_head": "171421c3927285f6de42a85a0e2f934604e031d4",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app-pretest.rb",
   "ruby_source_checksum": {
diff --git a/Casks/emacs-app/meta.json b/Casks/emacs-app/meta.json
index 2531307c..32abbb1a 100644
--- a/Casks/emacs-app/meta.json
+++ b/Casks/emacs-app/meta.json
@@ -130,7 +130,7 @@
   "disable_reason": null,
   "disable_replacement_formula": null,
   "disable_replacement_cask": null,
-  "tap_git_head": "02677f43db43cf3af3f76986b3f264d3ecbfad0e",
+  "tap_git_head": "171421c3927285f6de42a85a0e2f934604e031d4",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app.rb",
   "ruby_source_checksum": {