diff --git a/Casks/overflow.rb b/Casks/overflow.rb
new file mode 100644
index 000000000000..52888d7fa934
--- /dev/null
+++ b/Casks/overflow.rb
@@ -0,0 +1,17 @@
+cask 'overflow' do
+  version '3.0.4'
+  sha256 '77434b1beef3b77c950dcd8f1f8118c1f9bc4f479f8d12f085172fd0ac385eb7'
+
+  # stunt.s3.amazonaws.com was verified as official when first introduced to the cask
+  url "https://stunt.s3.amazonaws.com/overflow#{version}.zip"
+  appcast "https://stuntsoftware.com/PHP/sparkle/overflow#{version.major}.php"
+  name 'overflow'
+  homepage 'https://stuntsoftware.com/overflow/'
+
+  app "Overflow #{version.major}.app"
+
+  zap trash: [
+               "~/Library/Containers/com.stuntsoftware.Overflow3/Data/Library/Preferences/com.stuntsoftware.Overflow#{version.major}.plist",
+               '~/Library/Containers/com.stuntsoftware.Overflow3/Data/Library/Application Support/default.realm',
+             ]
+end