diff --git a/Casks/xquartz.rb b/Casks/xquartz.rb
index 7db99215378..08fdee93ae9 100644
--- a/Casks/xquartz.rb
+++ b/Casks/xquartz.rb
@@ -1,6 +1,6 @@
 cask :v1 => 'xquartz' do
-  version '2.7.7'
-  sha256 'c9b3a373b7fd989331117acb9696fffd6b9ee1a08ba838b02ed751b184005211'
+  version '2.7.8'
+  sha256 '17a4c2da1ab3b676fdf80d1a0714c6bfd22183a604e823b4fd8329fdb4432c2a'
 
   url "https://xquartz.macosforge.org/downloads/SL/XQuartz-#{version}.dmg"
   appcast 'https://xquartz-dl.macosforge.org/sparkle/release.xml',