diff --git a/Scripts/update_feed.rb b/Scripts/update_feed.rb
index 37924aac0..69b17987d 100755
--- a/Scripts/update_feed.rb
+++ b/Scripts/update_feed.rb
@@ -7,7 +7,7 @@ include REXML
 
 feed = ARGV[0] || 'mercury'
 
-appcast = open("http://kode54.net/cog/#{feed}.xml")
+appcast = open("https://kode54.net/cog/#{feed}.xml")
 
 appcastdoc = Document.new(appcast)