diff --git a/Casks/emacs-app-good/meta.json b/Casks/emacs-app-good/meta.json
index 79e4ed40..2b09af17 100644
--- a/Casks/emacs-app-good/meta.json
+++ b/Casks/emacs-app-good/meta.json
@@ -119,7 +119,7 @@
   },
   "container": null,
   "auto_updates": null,
-  "tap_git_head": "2a0eeb2171a260529cd41e1f6d64ae7cc2a1a495",
+  "tap_git_head": "feef99b283725a89ffa43cfd52dff6e647f84a6c",
   "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 8f97e37c..b5e94290 100644
--- a/Casks/emacs-app-monthly/meta.json
+++ b/Casks/emacs-app-monthly/meta.json
@@ -118,7 +118,7 @@
   },
   "container": null,
   "auto_updates": null,
-  "tap_git_head": "2a0eeb2171a260529cd41e1f6d64ae7cc2a1a495",
+  "tap_git_head": "feef99b283725a89ffa43cfd52dff6e647f84a6c",
   "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 f7b290e0..53e06347 100644
--- a/Casks/emacs-app-nightly-28/meta.json
+++ b/Casks/emacs-app-nightly-28/meta.json
@@ -119,7 +119,7 @@
   },
   "container": null,
   "auto_updates": null,
-  "tap_git_head": "2a0eeb2171a260529cd41e1f6d64ae7cc2a1a495",
+  "tap_git_head": "feef99b283725a89ffa43cfd52dff6e647f84a6c",
   "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 d049860b..e3d6cc04 100644
--- a/Casks/emacs-app-nightly-29/meta.json
+++ b/Casks/emacs-app-nightly-29/meta.json
@@ -119,7 +119,7 @@
   },
   "container": null,
   "auto_updates": null,
-  "tap_git_head": "2a0eeb2171a260529cd41e1f6d64ae7cc2a1a495",
+  "tap_git_head": "feef99b283725a89ffa43cfd52dff6e647f84a6c",
   "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 64910c56..c4944a2d 100644
--- a/Casks/emacs-app-nightly/meta.json
+++ b/Casks/emacs-app-nightly/meta.json
@@ -8,14 +8,14 @@
   ],
   "desc": "GNU Emacs text editor (nightly build)",
   "homepage": "https://github.com/jimeh/emacs-builds",
-  "url": "https://github.com/jimeh/emacs-builds/releases/download/Emacs.2023-12-05.dc744fe.master/Emacs.2023-12-05.dc744fe.master.macOS-12.x86_64.dmg",
+  "url": "https://github.com/jimeh/emacs-builds/releases/download/Emacs.2023-12-06.83dfdac.master/Emacs.2023-12-06.83dfdac.master.macOS-12.x86_64.dmg",
   "url_specs": {},
   "appcast": null,
-  "version": "2023-12-05.dc744fe.master",
+  "version": "2023-12-06.83dfdac.master",
   "installed": null,
   "installed_time": null,
   "outdated": false,
-  "sha256": "28ff42765bd4ecd431b5ac80f2a66b4cf602236f00db9c9b8ac6a8703f8cc5fd",
+  "sha256": "5ba7a08ebecd79d247f45d4519c786aca566f1abac82df110bd82f48aadd3e8f",
   "artifacts": [
     {
       "app": [
@@ -119,10 +119,10 @@
   },
   "container": null,
   "auto_updates": null,
-  "tap_git_head": "2a0eeb2171a260529cd41e1f6d64ae7cc2a1a495",
+  "tap_git_head": "feef99b283725a89ffa43cfd52dff6e647f84a6c",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app-nightly.rb",
   "ruby_source_checksum": {
-    "sha256": "f8fd20f4972d341f40d78fc8a1ceb1580cfe6bf7d19dd660471dfcaefa97a16d"
+    "sha256": "8cbca6c7a3a9cf60edff3059ee77234984c45873fb6857cfe3612d2afb9721d4"
   }
 }
diff --git a/Casks/emacs-app-nightly/shield.json b/Casks/emacs-app-nightly/shield.json
index 32deae85..f7d87a73 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": "2023-12-05.dc744fe.master"
+  "message": "2023-12-06.83dfdac.master"
 }
diff --git a/Casks/emacs-app-pretest/meta.json b/Casks/emacs-app-pretest/meta.json
index ff9a69ca..063afe0d 100644
--- a/Casks/emacs-app-pretest/meta.json
+++ b/Casks/emacs-app-pretest/meta.json
@@ -119,7 +119,7 @@
   },
   "container": null,
   "auto_updates": null,
-  "tap_git_head": "2a0eeb2171a260529cd41e1f6d64ae7cc2a1a495",
+  "tap_git_head": "feef99b283725a89ffa43cfd52dff6e647f84a6c",
   "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 73078b1f..0e670fa2 100644
--- a/Casks/emacs-app/meta.json
+++ b/Casks/emacs-app/meta.json
@@ -119,7 +119,7 @@
   },
   "container": null,
   "auto_updates": null,
-  "tap_git_head": "2a0eeb2171a260529cd41e1f6d64ae7cc2a1a495",
+  "tap_git_head": "feef99b283725a89ffa43cfd52dff6e647f84a6c",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app.rb",
   "ruby_source_checksum": {