diff --git a/Formula/zeromq.rb b/Formula/zeromq.rb
index 7518b18b6c..0b32a4b136 100644
--- a/Formula/zeromq.rb
+++ b/Formula/zeromq.rb
@@ -1,6 +1,6 @@
 class Zeromq < Formula
   desc "High-performance, asynchronous messaging library"
-  homepage "http://www.zeromq.org/"
+  homepage "https://zeromq.org/"
   url "https://github.com/zeromq/libzmq/releases/download/v4.3.2/zeromq-4.3.2.tar.gz"
   sha256 "ebd7b5c830d6428956b67a0454a7f8cbed1de74b3b01e5c33c5378e22740f763"