apt-get upgrade

[Vram]

Hi

What do I do when I get this on upgrade??
<after apt-get update>

root at Aether:/home/vram/download # apt-get upgrade
Reading package lists... Done
Building dependency tree... Done
The following packages have been kept back:
  gaim gaim-data irb1.8 libasn1-6-heimdal libgadu3 libgssapi1-heimdal
libkrb5-17-heimdal libkrb53 libreadline-ruby1.8
  libruby1.8 ruby1.8 spamc sudo x-window-system-core zlib1g
0 upgraded, 0 newly installed, 0 to remove and 15 not upgraded.



Don't worry...????  8^||

TIA

Vram