Have you got the BlackBerry Beta Zone app installed on your device? If so, you'll want to fire it up and see if you have a new survey available from BlackBerry. As reported in the CrackBerry Forums by multiple users now, BlackBerry has sent out invites for a new survey asking potential BlackBerry OS 10.3.2 beta testers to sign up.
Although the survey is no guarantee you'll be invited once completed, the potential is there, so go ahead and have a look and see if you have a survey called 'BlackBerry 10.3.2. Beta Program' and good luck. Make sure you read what you're signing up for if invited.