Shels join Athlone, Cork City and Sligo Rovers in the last four.
Shelbourne are into the semi finals of the Women's FAI Cup.
They beat Shamrock Rovers 1-nil at Tallaght Stadium last night with a goal by sub Megan Smyth Lynch.
Shels join Athlone, Cork City and Sligo Rovers in the last four.

IRFU Investigate Online Racist Abuse Directed Toward Edwin Edogbo
Farrell Hits Out At "Keyboard Warriors" Aiming Abuse At Suncroft's Sam Prendergast And Jack Crowley
Monday Morning Sports Update
Kildare Football Team vs Derry
Tottenham Set To Appoint Igor Tudor As Interim Head Coach
Two League Of Ireland Games Postponed Due To Weather Conditions
ROI Begin Their National League Campaign Away To Kosovo On September 24th
Friday Morning Sports Update