diff --git a/Casks/post-haste.rb b/Casks/post-haste.rb
new file mode 100644
index 00000000000..c544ccb1d53
--- /dev/null
+++ b/Casks/post-haste.rb
@@ -0,0 +1,17 @@
+cask 'post-haste' do
+  version '2.5.8.0'
+  sha256 '14b92628f6b53c6cddcfa8ae059a491af445d5c84a5fdef418899edee1c71c8d'
+
+  url "https://www.digitalrebellion.com/download/posthaste?version=#{version.no_dots}"
+  name 'Post Haste'
+  homepage 'https://www.digitalrebellion.com/posthaste/'
+  license :gratis
+
+  app 'Post Haste.app'
+
+  zap :delete => [
+                   '~/Library/Application Support/Digital Rebellion/Post Haste/',
+                   '~/Library/Preferences/com.digitalrebellion.PostHaste.plist',
+                 ],
+      :rmdir  => '~/Library/Application Support/Digital Rebellion'
+end