The French centre-forward is out of contract in the summer, and media reports have suggested he may move in January.
However, Arteta preferred to focus on Lacazette's availability for upcoming matches, rather than dwell on transfer speculation.
Lacazette has been in and out of the team over the past 12 months, and there is little indication he will sign a new deal with Arsenal.
Arteta told reporters: "We are focusing on getting the best out of Laca and he shows every day his commitment is here.
"We just want to give him the right minutes so that he can show his quality and help the team to do better."
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