{ ... }: {
  flake.modules.nixos.gnome-services = {pkgs, ...}: {

    programs.dconf.enable = true;
    services.gnome.gnome-keyring.enable = true;
    services.gnome.gnome-online-accounts.enable = true;
    services.gnome.evolution-data-server.enable = true;

    environment.variables = {
      POOLKIT_AGENT = "${pkgs.polkit_gnome}/libexec/polkit-gnome-authentication-agent-1";
    };
  };
}