The petitioner (US citizen) must use the I-865 to update physical or mailing address. There is a spot for new physical address and new mailing address on the I-865.
"The purpose of Form I-865, Sponsor’s Notice of Change of Address, is to report a sponsor’s new address. If you, as a sponsor, change your address, you must submit a completed and signed Form I-865 to U.S. Citizenship and Immigration Services (USCIS)."