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.

France Without Maxime Lucu For Their Opening Six Nations Clash With Ireland Next Month
There's Two Quarter Finals Down For Decision In Leinster's O'Byrne Cup Tonight
It's Being Reported That Shamrock Rovers Are Keen To Add Jake Mulraney To Their Squad
Ole Gunner Solskjaer Poised To Take Over As Manchester United's Interim Manager
Wednesday Morning Sports Update
John Hodnett and Alex Kendellen Ruled Out Of Munster's Game Against Toulon On Sunday
Liam Rosenior Named New Manager Of Chelsea
Liam Rosenior Set To Become New Manager Of Chelsea