-1 deb http://security.debian.org/ squeeze/updates main contrib non-free
-2 deb http://ftp.hr.debian.org/debian/ squeeze main contrib non-free
-3 deb http://ftp.hr.debian.org/debian/ squeeze-updates main contrib non-free
-4 deb http://ftp.carnet.hr/carnet-debian/ carnet-squeeze main non-free"
+1 deb http://security.debian.org/ buster/updates main contrib non-free
+2 deb http://ftp.hr.debian.org/debian/ buster main contrib non-free
+3 deb http://ftp.hr.debian.org/debian/ buster-updates main contrib non-free
+4 deb http://ftp.carnet.hr/carnet-debian/ carnet-buster main non-free"