diff --git a/Casks/marmaduke-chromium-nosync.rb b/Casks/marmaduke-chromium-nosync.rb
index f56763a..9a704d2 100644
--- a/Casks/marmaduke-chromium-nosync.rb
+++ b/Casks/marmaduke-chromium-nosync.rb
@@ -1,9 +1,9 @@
 cask 'marmaduke-chromium-nosync' do
-  version '73.0.3683.86'
-  sha256 'f9080487ccd12d700998bce167e28202cb030e2b42ac0d22f3163f65800e85df'
+  version '77.0.3865.75'
+  sha256 :no_check
 
   # https://github.com/macchrome/macstable/releases/ was verified as official when first introduced to the cask
-  url "https://github.com/macchrome/macstable/releases/download/v#{version}-r625896-macOS/Chromium.#{version}.nosync.app.zip"
+  url "https://github.com/macchrome/macstable/releases/download/v#{version}-r681094-macOS/Chromium.#{version}.nosync.app.zip"
   appcast 'https://github.com/macchrome/macstable/releases.atom'
   name 'Chromium'
   homepage 'https://github.com/macchrome/macstable/releases'
diff --git a/Casks/marmaduke-chromium-ungoogled.rb b/Casks/marmaduke-chromium-ungoogled.rb
index 714595b..f9927a4 100644
--- a/Casks/marmaduke-chromium-ungoogled.rb
+++ b/Casks/marmaduke-chromium-ungoogled.rb
@@ -1,9 +1,9 @@
 cask 'marmaduke-chromium-ungoogled' do
-  version '73.0.3683.86'
-  sha256 'bf82fa22539973e7bb8944375d8a563d4e78aafd58ef3d4486b21d783b713723'
+  version '77.0.3865.90'
+  sha256 :no_check
 
   # https://github.com/macchrome/macstable/releases/ was verified as official when first introduced to the cask
-  url "https://github.com/macchrome/macstable/releases/download/v#{version}-r625896-Ungoogled-macOS/Chromium.app.ungoogled-#{version}.zip"
+  url "https://github.com/macchrome/macstable/releases/download/v#{version}-r681094-Ungoogled-macOS/Chromium.app.ungoogled-#{version}.zip"
   appcast 'https://github.com/macchrome/macstable/releases.atom'
   name 'Chromium'
   homepage 'https://github.com/macchrome/macstable/releases'
diff --git a/Casks/marmaduke-chromium.rb b/Casks/marmaduke-chromium.rb
index 4a89b11..c95fe44 100644
--- a/Casks/marmaduke-chromium.rb
+++ b/Casks/marmaduke-chromium.rb
@@ -1,9 +1,8 @@
 cask 'marmaduke-chromium' do
-  version '73.0.3683.86'
-  sha256 '633d6b05b200a6365f744a0c30191c29cef2102310bc3c7cbce53bac8a5e4786'
+  version '77.0.3865.75'
 
   # https://github.com/macchrome/macstable/releases/ was verified as official when first introduced to the cask
-  url "https://github.com/macchrome/macstable/releases/download/v#{version}-r625896-macOS/Chromium.#{version}.sync.app.zip"
+  url "https://github.com/macchrome/macstable/releases/download/v#{version}-r681094-macOS/Chromium.#{version}.sync.app.zip"
   appcast 'https://github.com/macchrome/macstable/releases.atom'
   name 'Chromium'
   homepage 'https://github.com/macchrome/macstable/releases'
diff --git a/README.org b/README.org
index 9f41490..905426c 100644
--- a/README.org
+++ b/README.org
@@ -7,7 +7,7 @@ builds as advertised on [[https://chromium.woolyss.com/#mac][Woolyss]] are your
 This homebrew tap was created for the easy installation of
 above-mentioned builds.
 
-The latest update is v73.0.3683.86.
+The latest update is v77.0.3865.75.
 
 To install do: