diff --git a/Casks/emacs-app-nightly-28/meta.json b/Casks/emacs-app-nightly-28/meta.json
index f3d2e2b6..9b2735ab 100644
--- a/Casks/emacs-app-nightly-28/meta.json
+++ b/Casks/emacs-app-nightly-28/meta.json
@@ -7,13 +7,13 @@
   ],
   "desc": "GNU Emacs text editor (nightly build of emacs-28 branch)",
   "homepage": "https://github.com/jimeh/emacs-builds",
-  "url": "https://github.com/jimeh/emacs-builds/releases/download/Emacs.2021-12-22.29fffbd.emacs-28/Emacs.2021-12-22.29fffbd.emacs-28.macOS-10-15.x86_64.dmg",
+  "url": "https://github.com/jimeh/emacs-builds/releases/download/Emacs.2021-12-23.edb1d49.emacs-28/Emacs.2021-12-23.edb1d49.emacs-28.macOS-10-15.x86_64.dmg",
   "appcast": null,
-  "version": "2021-12-22.29fffbd.emacs-28",
+  "version": "2021-12-23.edb1d49.emacs-28",
   "versions": {},
   "installed": null,
   "outdated": false,
-  "sha256": "3529536091363447f93edad52286f782294f090dba37173b1cefd5884ec5ba74",
+  "sha256": "4d790a1ec8dd7b95a4bca01fd0c1325ec2e3520015c760eefaf7da93adeca2c6",
   "artifacts": [
     [
       "Emacs.app"
diff --git a/Casks/emacs-app-nightly-28/shield.json b/Casks/emacs-app-nightly-28/shield.json
index 5044dd6a..91b295b2 100644
--- a/Casks/emacs-app-nightly-28/shield.json
+++ b/Casks/emacs-app-nightly-28/shield.json
@@ -5,5 +5,5 @@
   "namedLogo": "GNU Emacs",
   "logoColor": "white",
   "label": "nightly@emacs-28",
-  "message": "2021-12-22.29fffbd.emacs-28"
+  "message": "2021-12-23.edb1d49.emacs-28"
 }