Demandatam coelitus humilitati nostrae is an apostolic constitution promulgated by Pope Benedict XIV on December 24, 1743, about the Melkite Greek Catholic Church. It is addressed to the Patriarch of Antioch Cyril VI Tanas and to all Melkite bishops under his jurisdiction, and is generally not considered ex cathedra. The subject of this apostolic constitution is the full preservation of the Byzantine Rite in the Melkite Greek Catholic Church.