self: super:

{
  terraria-server = super.terraria-server.overrideAttrs (o: rec {
    version = "1.3.5.3";
    src = self.fetchurl {
      url = "http://terraria.org/server/terraria-server-1353.zip";
      sha256 = "0l7j2n6ip4hxph7dfal7kzdm3dqnm1wba6zc94gafkh97wr35ck3";
    };
  });
}