{ pkgs, ... }:
{
  nixpkgs.overlays = [
    (self: super: {
        haskellPackages = super.haskellPackages.override {
          overrides = haskellPackages-self: haskellPackages-super: {
            basement = haskellPackages-super.basement.overrideAttrs (oldAttrs: {
              patches = [
                ./IntWord64.patch
              ];
            });
          };
        };
      }
    )
  ];
}