diff --git a/Casks/emacs-app-good/meta.json b/Casks/emacs-app-good/meta.json
index 657bfab0..f793d397 100644
--- a/Casks/emacs-app-good/meta.json
+++ b/Casks/emacs-app-good/meta.json
@@ -130,7 +130,7 @@
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   "disable_replacement_cask": null,
-  "tap_git_head": "ace9dcfca7304a92743d31dd9f9239b47854b9c6",
+  "tap_git_head": "0e0dc86fcc1346f80e0cae63f1e49bd895b74182",
   "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 8aac686d..d3518cc6 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": "ace9dcfca7304a92743d31dd9f9239b47854b9c6",
+  "tap_git_head": "0e0dc86fcc1346f80e0cae63f1e49bd895b74182",
   "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 1911163a..cf87b2c4 100644
--- a/Casks/emacs-app-nightly-28/meta.json
+++ b/Casks/emacs-app-nightly-28/meta.json
@@ -130,7 +130,7 @@
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   "disable_replacement_cask": null,
-  "tap_git_head": "ace9dcfca7304a92743d31dd9f9239b47854b9c6",
+  "tap_git_head": "0e0dc86fcc1346f80e0cae63f1e49bd895b74182",
   "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 535ff1c6..185ada80 100644
--- a/Casks/emacs-app-nightly-29/meta.json
+++ b/Casks/emacs-app-nightly-29/meta.json
@@ -130,7 +130,7 @@
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   "disable_replacement_formula": null,
   "disable_replacement_cask": null,
-  "tap_git_head": "ace9dcfca7304a92743d31dd9f9239b47854b9c6",
+  "tap_git_head": "0e0dc86fcc1346f80e0cae63f1e49bd895b74182",
   "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 d752adc1..09b2c8ec 100644
--- a/Casks/emacs-app-nightly/meta.json
+++ b/Casks/emacs-app-nightly/meta.json
@@ -8,9 +8,9 @@
   ],
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   "homepage": "https://github.com/jimeh/emacs-builds",
-  "url": "https://github.com/jimeh/emacs-builds/releases/download/Emacs.2025-12-06.5e0414b.master/Emacs.2025-12-06.5e0414b.master.macOS-11.arm64.dmg",
+  "url": "https://github.com/jimeh/emacs-builds/releases/download/Emacs.2025-12-08.6caf598.master/Emacs.2025-12-08.6caf598.master.macOS-11.arm64.dmg",
   "url_specs": {},
-  "version": "2025-12-06.5e0414b.master",
+  "version": "2025-12-08.6caf598.master",
   "autobump": true,
   "no_autobump_message": null,
   "skip_livecheck": false,
@@ -19,7 +19,7 @@
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   "bundle_short_version": null,
   "outdated": false,
-  "sha256": "1d6bf7b9b777b19eabb7644aa6cf012ca68680bc3bdb6cee39312fb2b11543ed",
+  "sha256": "816d3f3b21420c1774321ae5e3d06e917bf1b2ca46df2eefdef1798817a2768a",
   "artifacts": [
     {
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@@ -130,10 +130,10 @@
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   "disable_replacement_cask": null,
-  "tap_git_head": "ace9dcfca7304a92743d31dd9f9239b47854b9c6",
+  "tap_git_head": "0e0dc86fcc1346f80e0cae63f1e49bd895b74182",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app-nightly.rb",
   "ruby_source_checksum": {
-    "sha256": "b224941546aff4345ffdd0125a5fdea229e0fe1d22d5ea1299bad5f2dda533b5"
+    "sha256": "8ad7d3683d01a49cb055d76069e35d6bbf61cdc0a46b102d6fc124b03ab1f145"
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 }
diff --git a/Casks/emacs-app-nightly/shield.json b/Casks/emacs-app-nightly/shield.json
index 6dae26cd..2a01c240 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": "2025-12-06.5e0414b.master"
+  "message": "2025-12-08.6caf598.master"
 }
diff --git a/Casks/emacs-app-pretest/meta.json b/Casks/emacs-app-pretest/meta.json
index ea68382d..6542e07b 100644
--- a/Casks/emacs-app-pretest/meta.json
+++ b/Casks/emacs-app-pretest/meta.json
@@ -130,7 +130,7 @@
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   "disable_replacement_cask": null,
-  "tap_git_head": "ace9dcfca7304a92743d31dd9f9239b47854b9c6",
+  "tap_git_head": "0e0dc86fcc1346f80e0cae63f1e49bd895b74182",
   "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 9d9bfe79..b7c6181b 100644
--- a/Casks/emacs-app/meta.json
+++ b/Casks/emacs-app/meta.json
@@ -130,7 +130,7 @@
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   "disable_replacement_cask": null,
-  "tap_git_head": "ace9dcfca7304a92743d31dd9f9239b47854b9c6",
+  "tap_git_head": "0e0dc86fcc1346f80e0cae63f1e49bd895b74182",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app.rb",
   "ruby_source_checksum": {