The release date is scheduled for July 13, 2018, reported Variety.
Illumination founder and CEO Chris Meledandri and his longtime collaborator Janet Healy will produce the follow-up to the comedy, which set a record for best US opening weekend for an original film, animated or otherwise, with USD 104.3 million.
Chris Renaud will return to direct and writer Brian Lynch is back to write the script.
"The Secret Life of Pets" has hit USD 400 million at the worldwide box office with USD 300.3 million at the domestic box office and USD 103.5 million internationally, where it opened No. 1 in 18 markets to date.