Previously slated for Sunday 28 May, the move to switch the final-day fixtures ensures maximum publicity and attendances for the women’s game after what has been a record-breaking campaign.
It also means the last round of WSL matches will now not clash with the Premier League’s final day, which takes place that weekend.
All games will have a 15:00 BST kick-off time, with United Women taking on Liverpool away from home.
The final match of the season could be vital for Marc Skinner’s team too, with the Reds currently occupying top spot in the league, above holders Chelsea.