Now that Ubuntu 16.04.2 has been released you can safely update your elementary OS kernel to a newer one to give you a better user experience if you happen to be using newer hardware or are plagued with kernel panics every time your device hibernates or goes to sleep. To update your elementary OS kernel to 4.8.x please input the following into your terminal and reboot once complete.
sudo apt update
sudo apt upgrade -y
sudo apt install --install-recommends xserver-xorg-hwe-16.04 -y