diff --git a/Formula/antlr@2.rb b/Formula/antlr@2.rb
index 8630e476b6eef..a7fe1d6a1272d 100644
--- a/Formula/antlr@2.rb
+++ b/Formula/antlr@2.rb
@@ -1,7 +1,7 @@
 class AntlrAT2 < Formula
   desc "ANother Tool for Language Recognition"
-  homepage "http://www.antlr2.org"
-  url "http://www.antlr2.org/download/antlr-2.7.7.tar.gz"
+  homepage "https://www.antlr2.org/"
+  url "https://www.antlr2.org/download/antlr-2.7.7.tar.gz"
   sha256 "853aeb021aef7586bda29e74a6b03006bcb565a755c86b66032d8ec31b67dbb9"
 
   bottle do