diff --git a/Casks/emacs-app-good/meta.json b/Casks/emacs-app-good/meta.json
index 348c82c8..25dfc680 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": "53a524e7daaf2b855917ac0c7d4cbbd105dee24f",
+  "tap_git_head": "2345cdb2e06a3efdd253964510440c53027f8ebf",
   "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 7ca3b2a4..f241df75 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": "53a524e7daaf2b855917ac0c7d4cbbd105dee24f",
+  "tap_git_head": "2345cdb2e06a3efdd253964510440c53027f8ebf",
   "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 3aaf3a85..b362cf56 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": "53a524e7daaf2b855917ac0c7d4cbbd105dee24f",
+  "tap_git_head": "2345cdb2e06a3efdd253964510440c53027f8ebf",
   "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 963326d9..9bbb1899 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": "53a524e7daaf2b855917ac0c7d4cbbd105dee24f",
+  "tap_git_head": "2345cdb2e06a3efdd253964510440c53027f8ebf",
   "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 9be05f8d..1be823a7 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.2025-12-23.9b4c2ad.master/Emacs.2025-12-23.9b4c2ad.master.macOS-11.arm64.dmg",
+  "url": "https://github.com/jimeh/emacs-builds/releases/download/Emacs.2025-12-26.9affabf.master/Emacs.2025-12-26.9affabf.master.macOS-11.arm64.dmg",
   "url_specs": {},
-  "version": "2025-12-23.9b4c2ad.master",
+  "version": "2025-12-26.9affabf.master",
   "autobump": true,
   "no_autobump_message": null,
   "skip_livecheck": false,
@@ -19,7 +19,7 @@
   "bundle_version": null,
   "bundle_short_version": null,
   "outdated": false,
-  "sha256": "e219e29e228928f1a5a0be63f8130a7e453696230f5cc151d3811c2e17da7673",
+  "sha256": "e2687e9d20327f89e57d9a3e3f432c89327310edf9c331de66f7f7598c7ebabb",
   "artifacts": [
     {
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@@ -130,10 +130,10 @@
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   "disable_replacement_cask": null,
-  "tap_git_head": "53a524e7daaf2b855917ac0c7d4cbbd105dee24f",
+  "tap_git_head": "2345cdb2e06a3efdd253964510440c53027f8ebf",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app-nightly.rb",
   "ruby_source_checksum": {
-    "sha256": "035a224fd243ac29af255e67db23e0ce9dbfaafc27b186b0b0c0033b7c8aaba9"
+    "sha256": "53e5281c68f8aaf66215b554f985d013534a5e114dfae3b81e862bd2148b1a58"
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 }
diff --git a/Casks/emacs-app-nightly/shield.json b/Casks/emacs-app-nightly/shield.json
index 36f93819..ee6c7f9a 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": "2025-12-23.9b4c2ad.master"
+  "message": "2025-12-26.9affabf.master"
 }
diff --git a/Casks/emacs-app-pretest/meta.json b/Casks/emacs-app-pretest/meta.json
index a761fd0c..e5e55cba 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": "53a524e7daaf2b855917ac0c7d4cbbd105dee24f",
+  "tap_git_head": "2345cdb2e06a3efdd253964510440c53027f8ebf",
   "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 6eff3aed..0f2d9512 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": "53a524e7daaf2b855917ac0c7d4cbbd105dee24f",
+  "tap_git_head": "2345cdb2e06a3efdd253964510440c53027f8ebf",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app.rb",
   "ruby_source_checksum": {