How to update BuildKit on macOS when using Docker desktop?

[punkpeye]

docker buildx ls
NAME/NODE           DRIVER/ENDPOINT     STATUS    BUILDKIT   PLATFORMS
default             docker
 \_ default          \_ default         running   v0.15.2    linux/arm64, linux/amd64, linux/amd64/v2, linux/riscv64, linux/ppc64le, linux/s390x, linux/386, linux/mips64le, linux/mips64, linux/arm/v7, linux/arm/v6
desktop-linux*      docker
 \_ desktop-linux    \_ desktop-linux   running   v0.15.2    linux/arm64, linux/amd64, linux/amd64/v2, linux/riscv64, linux/ppc64le, linux/s390x, linux/386, linux/mips64le, linux/mips64, linux/arm/v7, linux/arm/v6

I checked docker buildx ls and I see that my buildkit is a few versions behind what's in the changelog. How do I upgrade it?