National team defender Filip Helander, 28, suffered a knee injury in September, which kept him out of games until February.
But now the season is over, after only eleven games in total.
The reason is a foot injury he suffered during the first half of Rangers' 4-0 victory against St Mirren on Sunday.
- I do not yet know if he needs surgery, but he has a foot injury - which he had in the other foot before - so all I can say now is that we should make sure that he is ready for the pre-season before the next season, says Rangers manager Giovanni van Bronckhorst, according to the BBC.
Rangers are second in the Scottish league, six points behind Celtic.
Five matches remain to be played.