diff --git a/hererocks.py b/hererocks.py
index 0190cd8..da2a72b 100755
--- a/hererocks.py
+++ b/hererocks.py
@@ -446,7 +446,7 @@ class Lua(Program):
 class RioLua(Lua):
     name = "lua"
     title = "Lua"
-    downloads = "http://www.lua.org/ftp"
+    downloads = "https://www.lua.org/ftp"
     win32_zip = False
     default_repo = "https://github.com/lua/lua"
     versions = [