diff --git a/Casks/emacs-app-good/meta.json b/Casks/emacs-app-good/meta.json
index 1ce3f2c0..33f0cdda 100644
--- a/Casks/emacs-app-good/meta.json
+++ b/Casks/emacs-app-good/meta.json
@@ -117,7 +117,7 @@
   },
   "container": null,
   "auto_updates": null,
-  "tap_git_head": "8deb4307bc62d3e5c99e84ee7942f6c5c2fdaca2",
+  "tap_git_head": "68083366b10eec87259fbaf18fd9657e686ed097",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app-good.rb",
   "ruby_source_checksum": {
diff --git a/Casks/emacs-app-nightly-28/meta.json b/Casks/emacs-app-nightly-28/meta.json
index e69893ce..13cd4b81 100644
--- a/Casks/emacs-app-nightly-28/meta.json
+++ b/Casks/emacs-app-nightly-28/meta.json
@@ -117,7 +117,7 @@
   },
   "container": null,
   "auto_updates": null,
-  "tap_git_head": "8deb4307bc62d3e5c99e84ee7942f6c5c2fdaca2",
+  "tap_git_head": "68083366b10eec87259fbaf18fd9657e686ed097",
   "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 6dbb4d58..18f65e00 100644
--- a/Casks/emacs-app-nightly-29/meta.json
+++ b/Casks/emacs-app-nightly-29/meta.json
@@ -117,7 +117,7 @@
   },
   "container": null,
   "auto_updates": null,
-  "tap_git_head": "8deb4307bc62d3e5c99e84ee7942f6c5c2fdaca2",
+  "tap_git_head": "68083366b10eec87259fbaf18fd9657e686ed097",
   "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 92a62ac4..f6b66529 100644
--- a/Casks/emacs-app-nightly/meta.json
+++ b/Casks/emacs-app-nightly/meta.json
@@ -8,13 +8,13 @@
   ],
   "desc": "GNU Emacs text editor (nightly build)",
   "homepage": "https://github.com/jimeh/emacs-builds",
-  "url": "https://github.com/jimeh/emacs-builds/releases/download/Emacs.2023-08-14.17d3b70.master/Emacs.2023-08-14.17d3b70.master.macOS-11.x86_64.dmg",
+  "url": "https://github.com/jimeh/emacs-builds/releases/download/Emacs.2023-08-15.c9fbd89.master/Emacs.2023-08-15.c9fbd89.master.macOS-11.x86_64.dmg",
   "url_specs": {},
   "appcast": null,
-  "version": "2023-08-14.17d3b70.master",
+  "version": "2023-08-15.c9fbd89.master",
   "installed": null,
   "outdated": false,
-  "sha256": "356f2704833d317b67ebba4f413862c3d1861c2657f81bb7e2cb4b272f2ced0d",
+  "sha256": "e02d27f6e4cadbe60db92576b2590d63de7da13bf9bf2191bac527c0ab5fea55",
   "artifacts": [
     {
       "app": [
@@ -117,10 +117,10 @@
   },
   "container": null,
   "auto_updates": null,
-  "tap_git_head": "8deb4307bc62d3e5c99e84ee7942f6c5c2fdaca2",
+  "tap_git_head": "68083366b10eec87259fbaf18fd9657e686ed097",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app-nightly.rb",
   "ruby_source_checksum": {
-    "sha256": "6d2bd69f50a35e354309ef989998208dc539d749756e6b6b3b950b0fb35dec05"
+    "sha256": "b1d721c18d916f926a1eb751abeec1b6d019bec9383335c17f803597da7bae70"
   }
 }
diff --git a/Casks/emacs-app-nightly/shield.json b/Casks/emacs-app-nightly/shield.json
index db00d576..8bd9725d 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": "2023-08-14.17d3b70.master"
+  "message": "2023-08-15.c9fbd89.master"
 }
diff --git a/Casks/emacs-app-pretest/meta.json b/Casks/emacs-app-pretest/meta.json
index de7411f2..b5543460 100644
--- a/Casks/emacs-app-pretest/meta.json
+++ b/Casks/emacs-app-pretest/meta.json
@@ -117,7 +117,7 @@
   },
   "container": null,
   "auto_updates": null,
-  "tap_git_head": "8deb4307bc62d3e5c99e84ee7942f6c5c2fdaca2",
+  "tap_git_head": "68083366b10eec87259fbaf18fd9657e686ed097",
   "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 2fedca83..05e60479 100644
--- a/Casks/emacs-app/meta.json
+++ b/Casks/emacs-app/meta.json
@@ -117,7 +117,7 @@
   },
   "container": null,
   "auto_updates": null,
-  "tap_git_head": "8deb4307bc62d3e5c99e84ee7942f6c5c2fdaca2",
+  "tap_git_head": "68083366b10eec87259fbaf18fd9657e686ed097",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app.rb",
   "ruby_source_checksum": {