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.

All Ireland Football Championship Opening Round Fixtures Confirmed
Tommy O'Brien Among Injury Doubts For Leinster's Champion Cup Final On Saturday
Monday Morning Sports Update
Sunday Evening Sports Update
Mourinho's Benefica Go Unbeaten but Miss Title
Brave Kildare Fall Short in Leinster Ladies Final
Chelsea Appoint Xabi Alonso as New Manager
Conor McGregor Set for UFC Return in July