Unfortunately, leaving it until you need it urgently can lead to a less than perfect CV and a less than perfect outcome i.e. no interview!
Gathering information, reviewing it with a trusted friend and making sure it looks good, all take time. So start now.
Use this article from Sharon Epperson of CNBC with some straightforward advice to get you going. Then you’ll be more than ready for a New Year job search without the hassle.