Use all-metal, internal-cam, steel-skewer QRs such as Shimano or Campy.
Make sure you are using them correctly, there are several wrong ways that dont grip well.
Close them as tightly as you can.

Rim brakes force the axle into the dropouts. Disk brakes put stresses on the axle that force them out of the dropouts. QR are not really designed to resist these forces so take care, check regularly and use a fork with lawyer lips.