Leilani Kapinus hit two clutch free throws at the buzzer to advance Penn State to 6-0.
The Wildcats put up a fight on Wednesday night, but the Nittany Lions took care of business in four sets.
After going down early, Penn State was able to right the ship and claim the lead in a gritty game.
The Nittany Lions leaped out to a 3-0 lead and were able to hang on through pressure for the 3-2 win.
Penn State was able to make a statement against its toughest opponent of the season thus far.
The Nittany Lions drop one spot from No. 6 last week.