diff --git a/Casks/tutanota.rb b/Casks/tutanota.rb
index bdeb1248251..e09d7f7a4fb 100644
--- a/Casks/tutanota.rb
+++ b/Casks/tutanota.rb
@@ -1,5 +1,5 @@
 cask "tutanota" do
-  version "3.89.25"
+  version "3.91.6"
   sha256 :no_check
 
   url "https://mail.tutanota.com/desktop/tutanota-desktop-mac.dmg"