diff --git a/Casks/jettison.rb b/Casks/jettison.rb
index 31b865241df..6912fd51284 100644
--- a/Casks/jettison.rb
+++ b/Casks/jettison.rb
@@ -1,6 +1,6 @@
 cask 'jettison' do
-  version '1.7.2'
-  sha256 '2e118b447ed328175e8edbfd6d22e9d25c0c248a572ebab538fe12b90afad148'
+  version '1.7.4'
+  sha256 '8a0e1790442b6b762fd44c07f7c23a9262488bae7f3abb5d158b45987e8db808'
 
   url "https://stclairsoft.com/download/Jettison-#{version}.dmg"
   appcast 'https://stclairsoft.com/cgi-bin/sparkle.cgi?JT'