diff --git a/Casks/gas-mask.rb b/Casks/gas-mask.rb
new file mode 100644
index 000000000..6f06f3c40
--- /dev/null
+++ b/Casks/gas-mask.rb
@@ -0,0 +1,6 @@
+class GasMask < Cask
+  url 'https://gmask.googlecode.com/files/Gas%20Mask%200.6.dmg'
+  homepage 'https://code.google.com/p/gmask/'
+  version '0.6'
+  sha1 '34a23dea65cc2d3fbb0a8b6adfeebd374d8e2956'
+end