diff --git a/Casks/t/tau.rb b/Casks/t/tau.rb
index 3f27133198..a8ecca4bc6 100644
--- a/Casks/t/tau.rb
+++ b/Casks/t/tau.rb
@@ -1,7 +1,7 @@
 cask "tau" do
   arch arm: "_arm64"
 
-  version "2.33"
+  version "2.33.1"
   sha256 :no_check
 
   url "http://tau.uoregon.edu/tau#{arch}.dmg"