Rumors about the imminent M4 MacBook Air launch have floated on the web since the beginning of the year. It seems it might happen this week.

We already suspected that Apple was planning to announce a new MacBook Air in March, and now we have it from the horse’s mouth. Company CEO Tim Cook took to social media to post a tease-heavy video, along with the caption “this week.

For the M4 MacBook Air, expect a near-identical design, with the laptop available in two sizes: 13 inches for portability, or 15 inches for more screen real estate. As the name suggests, the laptop will get a generational update to the same chip that powers the M4 MacBook Pro.