The Croatian boss has ruled out a busy summer on the transfer front.
The Irons enjoyed a hugely successful first summer window under Bilic, who successfully recruited the likes of Dimitri Payet, Manuel Lanzini, Michail Antonio and Angelo Ogbonna in what has proven an excellent first season in charge of the Hammers.
Lanzini has since joined the East Londoners on a permanent basis, having initially only signed a season-long loan, and Bilic says that the Argentine will not be followed by a raft of talent this time around.
"We're not going to do a lot of business," said the Croat via the Irons' Twitter page. "We'll maybe lose some loan players and have to replace them, but it's not going to be a stampede!"
Saturday's 4-1 defeat at home to Swansea City saw them drop to seventh place in the Premier League with two games to go; a position which does not really accurately reflect the strength of their season, having competed for a top-four finish for so much of it.
Given how close West Ham have come to Champions League qualification this season, Bilic's admission might upset some of the club's fans.
Many supporters might feel that a top-four bid is only going to be much tougher next season and that such a dream is very tricky without bolstering the squad.