# Pastebin Wtt3Pr65
    windowManager.xmonad = {
      enable = true;
      enableContribAndExtras = true;
      haskellPackages = pkgs.haskellPackages.override {
        overrides = self: super: {
          xmonad =
            pkgs.haskell.lib.overrideCabal
              super.xmonad
              (drv: {
                version = "0.13";
                sha256 = "f9f81b63569f18c777a939741024ec3ae34e4ec84015e5cc50f6622034a303ca";
                revision = null;
                editedCabalFile = null;
                patches = [];
              });

          xmonad-contrib =
            pkgs.haskell.lib.overrideCabal
              super.xmonad-contrib
              (drv: {
                version = "0.13";
                sha256 = "0vj72jhfng6y7hv5frx2v99jvl3jn9rbpk2j7xw9vydiwmzq4q57";
                revision = null;
                editedCabalFile = null;
              });
        };
      };
    };