self: super: {
  linuxPackages_latest = (import (builtins.fetchGit {
    url = "https://github.com/NixOS/nixpkgs-channels.git";
    ref = "nixos-unstable";
    rev = "e89b21504f3e61e535229afa0b121defb52d2a50";
  }) {}).linuxPackages_latest;
}