Below is the announcement from UPS, regarding the rate increase becoming effective as below:

The following changes will take effect on December 26, 2021:

The rates for UPS® Ground, UPS Air, and International will increase an average net 5.9%.
UPS Air Freight rates within and between the U.S., Canada, and Puerto Rico will increase an average net 5.2%.

Effective January 9, 2022:

Remote Area Surcharge will now apply to deliveries to certain ZIP Codes in the 48 contiguous states, as well as UPS On-Call Pickup requests in those ZIP Codes. The Remote Area Surcharge also applies to certain ZIP codes in Alaska and Hawaii, as it has in the past.

The impact of the rate changes on your shipping costs will vary according to your shipping characteristics and the terms of your UPS agreement. For additional information about these and other important changes, and to get the most up-to-date shipping rates, visit ups.com/rateupdates. The 2022 UPS Rate and Service Guidewill be available to download on ups.com/rateupdates on or before December 26, 2021.