diff --git a/Formula/algol68g.rb b/Formula/algol68g.rb
index 3ef98c9976..5888b67fc4 100644
--- a/Formula/algol68g.rb
+++ b/Formula/algol68g.rb
@@ -1,7 +1,7 @@
 class Algol68g < Formula
   desc "Algol 68 compiler-interpreter"
-  homepage "http://jmvdveer.home.xs4all.nl/algol.html"
-  url "http://jmvdveer.home.xs4all.nl/algol68g-2.8.2.tar.gz"
+  homepage "https://jmvdveer.home.xs4all.nl/algol.html"
+  url "https://jmvdveer.home.xs4all.nl/algol68g-2.8.2.tar.gz"
   sha256 "bf0416b296e4935908a39b12688822d0b017d3dbb74cb4dc0ab2a15184c9ddb1"
 
   bottle do