diff --git a/Casks/emacs-app-good/meta.json b/Casks/emacs-app-good/meta.json
index 5ac16579..37526422 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_formula": null,
   "disable_replacement_cask": null,
-  "tap_git_head": "c3c4368104ad4c0b04378a75734f6b6601cbb6b9",
+  "tap_git_head": "ee21ac759e22e885ad1b2b24fd7c0135ad232f76",
   "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 50a01ace..f35e78df 100644
--- a/Casks/emacs-app-monthly/meta.json
+++ b/Casks/emacs-app-monthly/meta.json
@@ -129,7 +129,7 @@
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   "disable_replacement_formula": null,
   "disable_replacement_cask": null,
-  "tap_git_head": "c3c4368104ad4c0b04378a75734f6b6601cbb6b9",
+  "tap_git_head": "ee21ac759e22e885ad1b2b24fd7c0135ad232f76",
   "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 cbd97414..46070f23 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_formula": null,
   "disable_replacement_cask": null,
-  "tap_git_head": "c3c4368104ad4c0b04378a75734f6b6601cbb6b9",
+  "tap_git_head": "ee21ac759e22e885ad1b2b24fd7c0135ad232f76",
   "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 8eb6ea86..ebe2fe1a 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": "c3c4368104ad4c0b04378a75734f6b6601cbb6b9",
+  "tap_git_head": "ee21ac759e22e885ad1b2b24fd7c0135ad232f76",
   "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 6179164c..4bf3e7f1 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.2026-01-05.28fe937.master/Emacs.2026-01-05.28fe937.master.macOS-11.arm64.dmg",
+  "url": "https://github.com/jimeh/emacs-builds/releases/download/Emacs.2026-01-06.8343ce6.master/Emacs.2026-01-06.8343ce6.master.macOS-11.arm64.dmg",
   "url_specs": {},
-  "version": "2026-01-05.28fe937.master",
+  "version": "2026-01-06.8343ce6.master",
   "autobump": true,
   "no_autobump_message": null,
   "skip_livecheck": false,
@@ -19,7 +19,7 @@
   "bundle_version": null,
   "bundle_short_version": null,
   "outdated": false,
-  "sha256": "ffee83ab22805ca36ce40db69f4c4e87acedab618e926fad3514663330f8c3a8",
+  "sha256": "d66a700e3039d8b95cb34acf60d5cc6ef4044e95f71fe014312f96bc586bb0bb",
   "artifacts": [
     {
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@@ -130,10 +130,10 @@
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   "disable_replacement_cask": null,
-  "tap_git_head": "c3c4368104ad4c0b04378a75734f6b6601cbb6b9",
+  "tap_git_head": "ee21ac759e22e885ad1b2b24fd7c0135ad232f76",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app-nightly.rb",
   "ruby_source_checksum": {
-    "sha256": "4504d44ce398532653a6e136a84ab898e7231333aef2fca2ff9dd39950a3a9f7"
+    "sha256": "785e9d3eae8279edc76ca14dd0c98a49a08500fdfd2fb3b293501513ae5e3323"
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 }
diff --git a/Casks/emacs-app-nightly/shield.json b/Casks/emacs-app-nightly/shield.json
index 5dc51cc0..21e988a9 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": "2026-01-05.28fe937.master"
+  "message": "2026-01-06.8343ce6.master"
 }
diff --git a/Casks/emacs-app-pretest/meta.json b/Casks/emacs-app-pretest/meta.json
index 1da7bd8f..6e910cc3 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": "c3c4368104ad4c0b04378a75734f6b6601cbb6b9",
+  "tap_git_head": "ee21ac759e22e885ad1b2b24fd7c0135ad232f76",
   "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 6d1fa340..7906bad0 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": "c3c4368104ad4c0b04378a75734f6b6601cbb6b9",
+  "tap_git_head": "ee21ac759e22e885ad1b2b24fd7c0135ad232f76",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app.rb",
   "ruby_source_checksum": {