Recently on a website I noticed a footer wasn't updated with the current year.
Don't let your year in the footer be outdated
From personal experience, if I land on a page with an outdated year, there's a good chance that I feel it might be outdated. And of course I don't want to feel outdated!
It's a simple fix that should definitely be implemented.
This is a really simple script that I picked up from updateyourfooter.com If you'd like something a bit more sophisticated, use this:
As stated on their site, "Friends Don't Let Friends Look Dead On The Internet". Hope this helps you!