diff --git a/Casks/emacs-app-nightly-28/meta.json b/Casks/emacs-app-nightly-28/meta.json
index 3aa048b3..e199c74d 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.2022-01-17.f393d0d.emacs-28/Emacs.2022-01-17.f393d0d.emacs-28.macOS-10-15.x86_64.dmg",
+  "url": "https://github.com/jimeh/emacs-builds/releases/download/Emacs.2022-01-20.f08dfa9.emacs-28/Emacs.2022-01-20.f08dfa9.emacs-28.macOS-10-15.x86_64.dmg",
   "appcast": null,
-  "version": "2022-01-17.f393d0d.emacs-28",
+  "version": "2022-01-20.f08dfa9.emacs-28",
   "versions": {},
   "installed": null,
   "outdated": false,
-  "sha256": "445b9c20c780d2ebcabe433961bb82e41ecaa4db09ead5e8ef7f5d1a3e9ff7c1",
+  "sha256": "1c0b88b4df02cd1076cc07b93b635757ffcd20195d110269db9eb9003a77a832",
   "artifacts": [
     [
       "Emacs.app"
diff --git a/Casks/emacs-app-nightly-28/shield.json b/Casks/emacs-app-nightly-28/shield.json
index 7a678525..d9cb08df 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": "2022-01-17.f393d0d.emacs-28"
+  "message": "2022-01-20.f08dfa9.emacs-28"
 }