diff --git a/Casks/apcupsd.rb b/Casks/apcupsd.rb
new file mode 100644
index 000000000000..f5b1b94472ef
--- /dev/null
+++ b/Casks/apcupsd.rb
@@ -0,0 +1,42 @@
+cask :v1 => 'apcupsd' do
+  version '3.14.13'
+  sha256 '79fe12be05eb4bac41c008d5eedc51712cdf454edc69534f2ac26f379024b353'
+
+  url "https://downloads.sourceforge.net/project/apcupsd/osx-binaries%20-%20Stable/#{version}/Apcupsd-#{version}.dmg"
+  name 'Apcupsd'
+  homepage 'http://www.apcupsd.org/'
+  license :gpl
+
+  if MacOS.release >= :el_capitan
+    preflight do
+      File.open("#{staged_path}/installer_choices.plist", 'w') do |file|
+        file.write <<-EOS.undent
+          <?xml version="1.0" encoding="UTF-8"?>
+          <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+          <plist version="1.0">
+            <array>
+              <string>apcupsd</string>
+            </array>
+          </plist>
+        EOS
+      end
+
+      system '/usr/bin/sudo', '-E', '--',
+             '/usr/sbin/installer', '-target', 'LocalSystem',
+                                    '-pkg', "#{staged_path}/Apcupsd-#{version}.pkg",
+                                    '-applyChoiceChangesXML', "#{staged_path}/installer_choices.plist"
+    end
+
+    caveats <<-EOS.undent
+      The #{token} daemon is not yet supported on OS X 10.11 El Capitan and above.
+      Only the #{token} agent will be installed.
+    EOS
+  else
+    pkg "Apcupsd-#{version}.pkg"
+  end
+
+  uninstall :pkgutil => 'com.apcupsd.*',
+            :quit    => 'com.apcupsd.apcagent'
+
+  zap       :delete  => '~/Library/Preferences/com.apcupsd.apcagent.plist'
+end