The six-part show will follow a group of couples on a birthday camping trip to Dorset.
Davis said: “I am very, very excited to making another series for Sky Atlantic thanks to the great creative freedom and support of Zai Bennett and Lucy Lumsden.”
Director of Sky Atlantic Zai Bennett added: “Sky Atlantic is the perfect home for Julia Davis’s sublime work. Alongside drama Sky Atlantic is investing in top flight, cinematic quality comedy and Julia’s new series is a great way to start the next year”
UK comedy specialist Baby Cow is producing the series.
Sky confirmed that its sales arm Sky Vision will be selling the series internationally.