Nokia Mobile has started pushing out the Google's December Security update for Nokia 2. The update is just 88.3MB in size and you will be notified about the update once it is available for your device. You can also manually check for the update by going to Settings > About phone > System Update.
What's new in this update
As you can see in the screenshot below the update just brings the Google's December Security Patch. You can find more about Google's December Security update at Android Security Bulletin.