Confused: apt says PVE needs upgrading to the same version as I already have?

If I do a pveversion -v, I get:

proxmox-ve-2.6.32: 3.4-156 (running kernel: 2.6.32-39-pve)

but if I do an apt-get upgrade, I get:

The following packages will be upgraded:
proxmox-ve-2.6.32 pve-cluster pve-kernel-2.6.32-39-pve
3 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

Is this some sub-sub version update or something?
 
Hi,
no there is an update:

before
Code:
ii  proxmox-ve-2.6.32             3.4-156             all                 The Proxmox Virtual Environment
ii  pve-cluster                   3.0-17              amd64               Cluster Infrastructure for Proxmox Virtual Environment
ii  pve-kernel-2.6.32-39-pve      2.6.32-156          amd64               The Proxmox PVE Kernel Image

after updating
Code:
ii  proxmox-ve-2.6.32             3.4-157             all                 The Proxmox Virtual Environment
ii  pve-cluster                   3.0-18              amd64               Cluster Infrastructure for Proxmox Virtual Environment
ii  pve-kernel-2.6.32-39-pve      2.6.32-157          amd64               The Proxmox PVE Kernel Image
Udo