# TODO switch back to nixos-unstable after https://github.com/NixOS/nixpkgs/pull/153339
    # is merged into nixos-unstable
    # nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    nixpkgs.url = "github:NixOS/nixpkgs/master";

    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";

        "lastModified": 1648078876,
        "narHash": "sha256-oa3RA0Z0UwEZ1M5kQOT9oUVd4ew3XePOu2oDTenFd98=",

        "lastModified": 1648917498,
        "narHash": "sha256-fdyVHsP6XeyCk9FRyjV6Wv+7qiOzWxykGXdNixadvyg=",

        "rev": "ac9404115362c901ffe5c5c215f76f74b79d5eda",

        "rev": "cfab869fcebc56710be6ec3aca76036b25c04a0d",

        "lastModified": 1648080561,
        "narHash": "sha256-lfSdVLZBAn0CCab/9zXr81JYokWtgEnucnr0pibtS4c=",

        "lastModified": 1648632716,
        "narHash": "sha256-kCmnDeiaMsdhfnNKjxdOzwRh2H6eQb8yWAL+nNabC/Y=",

        "rev": "9fb449b2d98f98f8fea361919179968e7681cd8d",

        "rev": "710fed5a2483f945b14f4a58af2cd3676b42d8c8",

        "ref": "master",

        "ref": "nixos-unstable",