The 31-year-old’s contract expires at the end of the 2020/21 season but Arteta is confident he will sign a new deal.
“I can say I am even more confident than I was at the end of last season,” said the Arsenal manager.
“Do I think it will be done soon? I am really optimistic, yes.”
When asked if fans should be concerned at the length of time it is taking to get the deal over the line, Arteta replied: “I think they can be pretty relaxed.”
Arteta says Aubameyang’s strike partner Alexandre Lacazette is also set to stay following talks with the club.
“He is really happy here,” said Arteta. “He wants to keep improving and contributing to the team. I know how good he is and the impact he’s having.
“He knows about the competition he has as well with the front players. He needs to demand himself to be the best striker at this football club, the same as the rest. He was very happy to hear that.
“The way he has been training and conducting himself has been excellent.”
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