diff --git a/Casks/palemoon.rb b/Casks/palemoon.rb
index 4dca4452d..7dbf0e6c0 100644
--- a/Casks/palemoon.rb
+++ b/Casks/palemoon.rb
@@ -1,6 +1,6 @@
 cask 'palemoon' do
-  version '27.5.0'
-  sha256 '019686a754204f0691722d332d28678509a32cbfadbde17a0d005435ff9da369'
+  version '27.5.1'
+  sha256 '40951232738cb643a3365e42fd7730975413a4d8ee0632e6ccb78cf618d8bfda'
 
   url "https://mac.palemoon.org/dist/palemoon-#{version}.mac64.dmg"
   name 'Palemoon'