diff --git a/Formula/minizip.rb b/Formula/minizip.rb
index b67bcf4bd86..0b1347389c1 100644
--- a/Formula/minizip.rb
+++ b/Formula/minizip.rb
@@ -5,7 +5,7 @@ class Minizip < Formula
   sha256 "c3e5e9fdd5004dcb542feda5ee4f0ff0744628baf8ed2dd5d66f8ca1197cb1a1"
 
   livecheck do
-    url "http://zlib.net"
+    url "https://zlib.net/"
     regex(/href=.*?zlib[._-]v?(\d+(?:\.\d+)+)\.t/i)
   end