diff --git a/Casks/emacs-app-good/meta.json b/Casks/emacs-app-good/meta.json
index 977c20fa..a978cd88 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": "77053e533f12cefdf7eeb76f5eb61f1eb552c9ea",
+  "tap_git_head": "1ba1583d6067b506c4938e21153256416f66fc97",
   "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 c14277fe..65b0ddde 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": "77053e533f12cefdf7eeb76f5eb61f1eb552c9ea",
+  "tap_git_head": "1ba1583d6067b506c4938e21153256416f66fc97",
   "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 357567fc..fea4b0d0 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": "77053e533f12cefdf7eeb76f5eb61f1eb552c9ea",
+  "tap_git_head": "1ba1583d6067b506c4938e21153256416f66fc97",
   "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 1653bdd1..ed87dca3 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": "77053e533f12cefdf7eeb76f5eb61f1eb552c9ea",
+  "tap_git_head": "1ba1583d6067b506c4938e21153256416f66fc97",
   "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 1dbd845a..53a6c5a0 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.2025-12-17.7425e33.master/Emacs.2025-12-17.7425e33.master.macOS-11.arm64.dmg",
+  "url": "https://github.com/jimeh/emacs-builds/releases/download/Emacs.2025-12-18.83e8acf.master/Emacs.2025-12-18.83e8acf.master.macOS-11.arm64.dmg",
   "url_specs": {},
-  "version": "2025-12-17.7425e33.master",
+  "version": "2025-12-18.83e8acf.master",
   "autobump": true,
   "no_autobump_message": null,
   "skip_livecheck": false,
@@ -19,7 +19,7 @@
   "bundle_version": null,
   "bundle_short_version": null,
   "outdated": false,
-  "sha256": "e5cd6973be3a0b3b95bf1f890ab3d7a817eb4ab90e4fb5d6ed1eacc5fb9199bd",
+  "sha256": "2fd262aa9a8f8710987063ba7c0a21514455afd7a1ae2db982f017fda8c34ac9",
   "artifacts": [
     {
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@@ -130,10 +130,10 @@
   "disable_reason": null,
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   "disable_replacement_cask": null,
-  "tap_git_head": "77053e533f12cefdf7eeb76f5eb61f1eb552c9ea",
+  "tap_git_head": "1ba1583d6067b506c4938e21153256416f66fc97",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app-nightly.rb",
   "ruby_source_checksum": {
-    "sha256": "a0a0a9c6c1ab218ec3ddd076f57d476a83c266b5e2a364410f32a74af435bc11"
+    "sha256": "e485ecea5b142cd45c91bf954e374ae85b959fb05be02c7a0600fe7f74ec5940"
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 }
diff --git a/Casks/emacs-app-nightly/shield.json b/Casks/emacs-app-nightly/shield.json
index dca77bad..8e4b52c9 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": "2025-12-17.7425e33.master"
+  "message": "2025-12-18.83e8acf.master"
 }
diff --git a/Casks/emacs-app-pretest/meta.json b/Casks/emacs-app-pretest/meta.json
index 99a61ded..febb9717 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": "77053e533f12cefdf7eeb76f5eb61f1eb552c9ea",
+  "tap_git_head": "1ba1583d6067b506c4938e21153256416f66fc97",
   "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 5628747b..1c7ea6e8 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": "77053e533f12cefdf7eeb76f5eb61f1eb552c9ea",
+  "tap_git_head": "1ba1583d6067b506c4938e21153256416f66fc97",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app.rb",
   "ruby_source_checksum": {