diff --git a/Casks/emacs-app-good/meta.json b/Casks/emacs-app-good/meta.json
index 03398880..b391cf8a 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": "a23e2b8974c7664fefa33a2d84a06c2f3bd54f5a",
+  "tap_git_head": "559486f31507bd2ae9ae19d81542be43a1e01fa6",
   "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 c0829d56..6138dfe6 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": "a23e2b8974c7664fefa33a2d84a06c2f3bd54f5a",
+  "tap_git_head": "559486f31507bd2ae9ae19d81542be43a1e01fa6",
   "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 33d97306..7e5c5767 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": "a23e2b8974c7664fefa33a2d84a06c2f3bd54f5a",
+  "tap_git_head": "559486f31507bd2ae9ae19d81542be43a1e01fa6",
   "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 79c1d8ea..8e12d3f9 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.2023-08-26.ecb1e6c.master/Emacs.2023-08-26.ecb1e6c.master.macOS-11.x86_64.dmg",
+  "url": "https://github.com/jimeh/emacs-builds/releases/download/Emacs.2023-08-27.967fa84.master/Emacs.2023-08-27.967fa84.master.macOS-11.x86_64.dmg",
   "url_specs": {},
   "appcast": null,
-  "version": "2023-08-26.ecb1e6c.master",
+  "version": "2023-08-27.967fa84.master",
   "installed": null,
   "outdated": false,
-  "sha256": "90b25e67a847f91812bc78005960e7ec7478f8a9c597dc7ea20fa3bbcf0f313f",
+  "sha256": "42c74c31664bbf67ce4b7601924f2a13ad46fec2bc03ea12567c5dd72bcb88b9",
   "artifacts": [
     {
       "app": [
@@ -117,10 +117,10 @@
   },
   "container": null,
   "auto_updates": null,
-  "tap_git_head": "a23e2b8974c7664fefa33a2d84a06c2f3bd54f5a",
+  "tap_git_head": "559486f31507bd2ae9ae19d81542be43a1e01fa6",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app-nightly.rb",
   "ruby_source_checksum": {
-    "sha256": "032ff4a45d30e538da6514ec017dfbae861d339df5bbd5de677295492a5f28d7"
+    "sha256": "227597e74b1b8dc893ada905df7b6ebcd8559f592a2dc9548a40cecf5725d4de"
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 }
diff --git a/Casks/emacs-app-nightly/shield.json b/Casks/emacs-app-nightly/shield.json
index a31896f5..0808ad3a 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": "2023-08-26.ecb1e6c.master"
+  "message": "2023-08-27.967fa84.master"
 }
diff --git a/Casks/emacs-app-pretest/meta.json b/Casks/emacs-app-pretest/meta.json
index b0d6d625..87bcc293 100644
--- a/Casks/emacs-app-pretest/meta.json
+++ b/Casks/emacs-app-pretest/meta.json
@@ -117,7 +117,7 @@
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   "auto_updates": null,
-  "tap_git_head": "a23e2b8974c7664fefa33a2d84a06c2f3bd54f5a",
+  "tap_git_head": "559486f31507bd2ae9ae19d81542be43a1e01fa6",
   "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 38e6dae0..d0c8187c 100644
--- a/Casks/emacs-app/meta.json
+++ b/Casks/emacs-app/meta.json
@@ -117,7 +117,7 @@
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   "container": null,
   "auto_updates": null,
-  "tap_git_head": "a23e2b8974c7664fefa33a2d84a06c2f3bd54f5a",
+  "tap_git_head": "559486f31507bd2ae9ae19d81542be43a1e01fa6",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app.rb",
   "ruby_source_checksum": {