A surgical instrument includes a body, a shaft assembly, and an end effector. The end effector a first jaw, a second jaw, and a staple cartridge. The first jaw has an anvil that is configured to form a plurality of staples. The first jaw is movable relative to the second jaw from an open configuration toward a closed configuration for capturing the tissue therebetween and forming the staples therein. The staple cartridge includes a plurality of staples, a body, and a deck. The body is received by the second jaw. The deck has a plurality of staple pockets such that the plurality of staples are configured to pass through staple pockets. The deck is configured to selectively move relative to the body from a first position to a second position for adjusting a height of the deck relative to the anvil while the body is received in the second jaw.