diff --git a/Casks/boom1.rb b/Casks/boom1.rb
index 6b82deb77..bf7c32a33 100644
--- a/Casks/boom1.rb
+++ b/Casks/boom1.rb
@@ -1,6 +1,6 @@
 cask :v1 => 'boom1' do
   version '1.1'
-  sha256 'fe0edcb5e0c147b948dcab0d00bb042bfa2ecb32dda7f64c2aac90785585b676'
+  sha256 '674a09cddf7b64ec3eab1193820c9807db6e95e59df39437d2ca43ccbeba90c5'
 
   url "http://www.globaldelight.com/boom/download/#{version}x/boom.dmg"
   homepage 'http://www.globaldelight.com/boom/'