Celtic striker Leigh Griffiths expects Aberdeen to again mount the strongest challenge to the Scottish champions next season.
The Hoops secured their fifth successive title on Sunday with a 3-2 victory over Derek McInnes' side at Celtic Park.
Aberdeen have finished runners-up to Celtic in the past two seasons with the champions' major pull in resources keeping the ahead of their top-flight rivals.
Outgoing manager Ronny Deila has been subjected to much criticism this season, but his side have lost just three games in the Scottish Premiership, two of those at Pittodrie, and Griffiths has been impressed by the Dons.
Griffiths, who is hoping to take his goals tally for the season to 40 when the Hoops play St Johnstone live on Sky Sports on Wednesday, has also paid tribute to Hearts after they finished third in their first season back in the top division.
"Aberdeen pushed us all the way again this season like they did last season," Scotland international Griffiths told Sky Sports News.
"You know Rangers have come up and will make a strong bid, Hearts will strengthen as well.
"Hearts were a surprise package this season, they did really well to finish third in their first season back in the top flight and it shows how good a squad they have.
"Aberdeen will come again. I'm sure Derek and the management team will go away, they'll strengthen in depth and they'll push us again.
"But hopefully with the new manager coming in we'll strengthen as well and we'll look to go and make it six."