-# Uncomment if you want the apt-get source function to work
-#deb-src http://http.us.debian.org/debian stable main contrib non-free
-#deb-src http://non-us.debian.org/debian-non-US stable/non-US main contrib non-free
+deb http://security.ubuntu.com/ubuntu gutsy-security main restricted
+deb-src http://security.ubuntu.com/ubuntu gutsy-security main restricted
+
+deb http://us.archive.ubuntu.com/ubuntu gutsy-updates main restricted
+deb-src http://us.archive.ubuntu.com/ubuntu gutsy-updates main restricted