final: prev: {
  # Build mkfs.erofs with zstd support
  erofs-utils = prev.erofs-utils.overrideAttrs (old: {
    buildInputs = old.buildInputs ++ [ prev.zstd ];
    configureFlags = old.configureFlags ++ [
      "--enable-multithreading"
      "--enable-zstd"
    ];
  });
}