Lighting fixtures for use with a can downlight are provided. In some embodiments, The lighting fixture includes a fixture housing having a recess. The fixture housing has a shape adapted to fit at least partially within a can housing. The lighting fixture includes one or more light sources disposed within the recess of the fixture housing. The lighting fixture includes an adjustable mounting bracket attached to the fixture housing. The adjustable mounting bracket is movable between a plurality of different positions to adapt the adjustable mounting bracket for engaging can housings of a plurality of different sizes.