-#deb-src http://ftp.hr.debian.org/debian/ buster main contrib non-free
-#deb-src http://ftp.hr.debian.org/debian/ buster-updates main contrib non-free
-#deb-src http://security.debian.org/ buster/updates main contrib non-free
-#deb-src http://ftp.carnet.hr/carnet-debian/ carnet-buster main non-free
-#deb-src http://ftp.srce.hr/srce-debian/ srce-buster main
+#deb-src http://ftp.hr.debian.org/debian/ bullseye main contrib non-free
+#deb-src http://ftp.hr.debian.org/debian/ bullseye-updates main contrib non-free
+#deb-src http://deb.debian.org/debian-security/ bullseye-security main
+#deb-src http://ftp.hr.debian.org/debian/ bullseye-backports main contrib non-free
+#deb-src http://ftp.carnet.hr/carnet-debian/ carnet-bullseye main non-free
+#deb-src http://ftp.srce.hr/srce-debian/ srce-bullseye main