Cubian update is available Aug 09, 2013
cubian-update is a tool to keep your kernel and modules updated.
Step 1. Add GPG key (root privilege is needed)
wget -O - http://packages.cubian.org/cubian.gpg.key apt-key add -
Step 2. Add apt source, add line to /etc/apt/sources.list
deb http://packages.cubian.org/ wheezy main
Step 3. Install
apt-get update && apt-get install cubian-update
Then execute cubian-update
or cubian-update -h
for more info.