I would not update it unless a new feature or fix has been released in the updated version that directly affects you. However, most updates go over pretty smoothly nowadays. Go ahead and update it if you want to. Main hassles normally come out in the form of hardware or driver issues. Slow boots times, updated product compatibility, enhances features, etc are normally fixes that are done.
If you feel the need to update then go ahead. Make sure to grab an older version of the BIOS if you can in case you want to rollback if you experience any issues.