There isn’t really a settled definition of “civilization” but usually one of the requirements is developing some kind of writing system without outside influence. As far as we know the people at Gobekli Tepe did not have one.
Granted you can also argue the same about Incans and to some extent Mesoamericans, so it’s kind of debatable.
Granted you can also argue the same about Incans and to some extent Mesoamericans, so it’s kind of debatable.