diff --git a/Casks/z/zui.rb b/Casks/z/zui.rb
new file mode 100644
index 0000000000..a8abde8e6d
--- /dev/null
+++ b/Casks/z/zui.rb
@@ -0,0 +1,12 @@
+cask "zui" do
+  version "1.2.0"
+  sha256 "8a45c01f4e80441c59a052dc641f777ef199f00a92f5c85cb3efc91ff3f8b020"
+
+  url "https://github.com/brimdata/zui/releases/download/v#{version}/Zui-#{version}.dmg",
+      verified: "github.com/brimdata/zui/"
+  name "Zui"
+  desc "Graphical user interface for exploring data in Zed lakes"
+  homepage "https://zui.brimdata.io/docs"
+
+  app "Zui.app"
+end