diff --git a/Casks/lilypond-dev.rb b/Casks/lilypond-dev.rb
index 45b841d64..03ffcf899 100644
--- a/Casks/lilypond-dev.rb
+++ b/Casks/lilypond-dev.rb
@@ -1,9 +1,9 @@
 cask 'lilypond-dev' do
-  version '2.19.61-1'
-  sha256 'db415bd8332fbb02853dcd4f66be6b8f5326e5b0144a6e44743bd4aeefb59f0d'
+  version '2.19.80-1'
+  sha256 'c73e4f9856b94a3ea760634ec3829f87495d4c392af95889a584987fe6260a38'
 
   # linuxaudio.org/lilypond was verified as official when first introduced to the cask
-  url "http://download.linuxaudio.org/lilypond/binaries/darwin-x86/lilypond-#{version}.darwin-x86.tar.bz2"
+  url "https://download.linuxaudio.org/lilypond/binaries/darwin-x86/lilypond-#{version}.darwin-x86.tar.bz2"
   name 'LilyPond'
   homepage 'http://lilypond.org/'