Dario Castelo's men remain in fifth place in the league table.
Athlone Town suffered their biggest defeat of the season as the hands of Galway United on Friday night.
The midlanders were on the receiving end of a 6-0 hammering away to the newly crowned champions.
Dario Castelo's men found themselves 3-0 down after 11 minutes with Darren Clarke, Stephen Walsh and Robert Manley all finding the net.
Clarke and Manley both scored again in the second half alongside Vincent Russell Borden to complete a big win for the Connacht side.
Town return to action at home to Bray Wanderers on Friday night.
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