upgrading kernel

Could someone give me any clues what going on here? When I installed proxmox I had Linux prox 5.15.102-1-pve Then, after upgrading OS to 8 version it's installed newer version of a kernel 6.2.16-3-pve However, I still have the old version. root@prox:~# uname -a Linux prox 5.15.102-1-pve #1...