diff --git a/Casks/emacs-app-nightly/meta.json b/Casks/emacs-app-nightly/meta.json
index f6dea0b0..1ec8bf5c 100644
--- a/Casks/emacs-app-nightly/meta.json
+++ b/Casks/emacs-app-nightly/meta.json
@@ -7,13 +7,13 @@
   ],
   "desc": "GNU Emacs text editor (nightly build)",
   "homepage": "https://github.com/jimeh/emacs-builds",
-  "url": "https://github.com/jimeh/emacs-builds/releases/download/Emacs.2021-09-18.fc8df25.master/Emacs.2021-09-18.fc8df25.master.macOS-10-15.x86_64.dmg",
+  "url": "https://github.com/jimeh/emacs-builds/releases/download/Emacs.2021-09-19.995a623.master/Emacs.2021-09-19.995a623.master.macOS-10-15.x86_64.dmg",
   "appcast": null,
-  "version": "2021-09-18.fc8df25.master",
+  "version": "2021-09-19.995a623.master",
   "versions": {},
   "installed": null,
   "outdated": false,
-  "sha256": "0501dc1bc1ed1a0af3e7c97b2c93eda2afb1aa27c98bc8fd5af2bb36d7d45723",
+  "sha256": "da8516d6f27751bc374a572a5e736992c5a1a21d3d52100eb5a993a9c9fcb735",
   "artifacts": [
     [
       "Emacs.app"
diff --git a/Casks/emacs-app-nightly/shield.json b/Casks/emacs-app-nightly/shield.json
index 7a502cb8..2f5a4e9c 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": "2021-09-18.fc8df25.master"
+  "message": "2021-09-19.995a623.master"
 }