diff --git a/Casks/emacs-app-good/meta.json b/Casks/emacs-app-good/meta.json
index 8a42256b..9c98db44 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": "817f37c4ade55aee086d08911c776eb2c0d097c9",
+  "tap_git_head": "1546f9c70f4531f53631a4583470ac5cf3ac5ba6",
   "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 042b7184..83ee3d77 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": "817f37c4ade55aee086d08911c776eb2c0d097c9",
+  "tap_git_head": "1546f9c70f4531f53631a4583470ac5cf3ac5ba6",
   "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 e08e0f8f..66bbdd4a 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": "817f37c4ade55aee086d08911c776eb2c0d097c9",
+  "tap_git_head": "1546f9c70f4531f53631a4583470ac5cf3ac5ba6",
   "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 35f41043..1407ac4f 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": "817f37c4ade55aee086d08911c776eb2c0d097c9",
+  "tap_git_head": "1546f9c70f4531f53631a4583470ac5cf3ac5ba6",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app-nightly-29.rb",
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diff --git a/Casks/emacs-app-nightly/meta.json b/Casks/emacs-app-nightly/meta.json
index a8c9e4c3..f32cc431 100644
--- a/Casks/emacs-app-nightly/meta.json
+++ b/Casks/emacs-app-nightly/meta.json
@@ -8,14 +8,14 @@
   ],
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   "homepage": "https://github.com/jimeh/emacs-builds",
-  "url": "https://github.com/jimeh/emacs-builds/releases/download/Emacs.2023-12-18.1d5d2f1.master/Emacs.2023-12-18.1d5d2f1.master.macOS-12.x86_64.dmg",
+  "url": "https://github.com/jimeh/emacs-builds/releases/download/Emacs.2023-12-19.f248960.master/Emacs.2023-12-19.f248960.master.macOS-12.x86_64.dmg",
   "url_specs": {},
   "appcast": null,
-  "version": "2023-12-18.1d5d2f1.master",
+  "version": "2023-12-19.f248960.master",
   "installed": null,
   "installed_time": null,
   "outdated": false,
-  "sha256": "f833815ce38fb30691d912e91f10dd13f4470e24d19b3a898624f22311126354",
+  "sha256": "92a1a815414fb940535a654e6ed8507c01ad0f31ea652246c1348f3b5b19f6f2",
   "artifacts": [
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@@ -119,10 +119,10 @@
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-  "tap_git_head": "817f37c4ade55aee086d08911c776eb2c0d097c9",
+  "tap_git_head": "1546f9c70f4531f53631a4583470ac5cf3ac5ba6",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app-nightly.rb",
   "ruby_source_checksum": {
-    "sha256": "57935d659e416eabc54953def85caa1ca6b7784c5b9f8aec59d308ebb6d18c22"
+    "sha256": "7dcf8828965fe2f59ec96bb951f13f9a2277ca639bd6a33aa031907e7521a538"
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 }
diff --git a/Casks/emacs-app-nightly/shield.json b/Casks/emacs-app-nightly/shield.json
index 901d74d7..31bb5683 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": "2023-12-18.1d5d2f1.master"
+  "message": "2023-12-19.f248960.master"
 }
diff --git a/Casks/emacs-app-pretest/meta.json b/Casks/emacs-app-pretest/meta.json
index 7d0a7b95..8384c8b8 100644
--- a/Casks/emacs-app-pretest/meta.json
+++ b/Casks/emacs-app-pretest/meta.json
@@ -119,7 +119,7 @@
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-  "tap_git_head": "817f37c4ade55aee086d08911c776eb2c0d097c9",
+  "tap_git_head": "1546f9c70f4531f53631a4583470ac5cf3ac5ba6",
   "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 50376ba8..3e076980 100644
--- a/Casks/emacs-app/meta.json
+++ b/Casks/emacs-app/meta.json
@@ -119,7 +119,7 @@
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-  "tap_git_head": "817f37c4ade55aee086d08911c776eb2c0d097c9",
+  "tap_git_head": "1546f9c70f4531f53631a4583470ac5cf3ac5ba6",
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   "ruby_source_path": "Casks/emacs-app.rb",
   "ruby_source_checksum": {