diff --git a/Casks/emacs-app-nightly/meta.json b/Casks/emacs-app-nightly/meta.json
index fe30dff1..c055e6c6 100644
--- a/Casks/emacs-app-nightly/meta.json
+++ b/Casks/emacs-app-nightly/meta.json
@@ -7,12 +7,12 @@
   ],
   "desc": "GNU Emacs text editor (nightly build)",
   "homepage": "https://github.com/jimeh/emacs-builds",
-  "url": "https://github.com/jimeh/emacs-builds/releases/download/Emacs.2021-08-25.3b66c4d.master/Emacs.2021-08-25.3b66c4d.master.macOS-10-15.x86_64.dmg",
+  "url": "https://github.com/jimeh/emacs-builds/releases/download/Emacs.2021-08-26.ee2ffd9.master/Emacs.2021-08-26.ee2ffd9.master.macOS-10-15.x86_64.dmg",
   "appcast": null,
-  "version": "2021-08-25.3b66c4d.master",
+  "version": "2021-08-26.ee2ffd9.master",
   "installed": null,
   "outdated": false,
-  "sha256": "0b33935a760827ebd74d28aba56a1d480ae347370d79a370c33231b7ce903de2",
+  "sha256": "dfabd68aa98a83a8827d0a1208ad86de6779b2b564a8b7985a10af9a33a448c0",
   "artifacts": [
     [
       "Emacs.app"
diff --git a/Casks/emacs-app-nightly/shield.json b/Casks/emacs-app-nightly/shield.json
index 4c324a75..0f8dbdb7 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": "2021-08-25.3b66c4d.master"
+  "message": "2021-08-26.ee2ffd9.master"
 }