deb http://deb.debian.org/debian bookworm main non-free contrib
deb-src http://deb.debian.org/debian bookworm main non-free contrib

deb http://security.debian.org/debian-security bookworm-security main contrib non-free
deb-src http://security.debian.org/debian-security bookworm-security main contrib non-free

# bookworm-updates, to get updates before a point release is made;
# see https://www.debian.org/doc/manuals/debian-reference/ch02.en.html # _updates_and_backports
deb http://deb.debian.org/debian bookworm-updates main contrib non-free
deb-src http://deb.debian.org/debian bookworm-updates main contrib non-free