apt-get upgrade

hi, i was just wondering why apt-get update /apt-get upgrade wont update ANY files since lets say about 2 months? are there new source.lists or is there no update anymore? just me, J.D. ..::drowning in my tears again::..

apt-get upgrade

Thank you very much for your help. i got woody with 2.4.18 kernel and the following /etc/apt/sources.list deb http://ftp.de.debian.org/debian/ stable main contrib non-free deb ftp://ftp.de.debian.org/debian-non-US stable/non-US main contrib deb http://security.debian.org/ stable/updates main con