The Nittany Lions dropped one spot from their previous ranking of No. 7. They previously held the No. 8 spot for three weeks earlier in the season.
The Nittany Lions moved up after sweeping Wisconsin by a combined final score of 10-3 over their two-game series.
The team announced the news with a heartwarming video of Franks finding out the news on Saturday.
Christian Sload won the game on his second golden goal this week to earn his side the second seed in the Big Ten.
Goals from Payton Linnehan and Rachel Wasserman as well as a standout performance from goalkeeper Amanda Dennis sealed a convincing quarterfinal win for the Nittany Lions.
Nebraska snapped Penn State's eight-match winning streak with the dramatic five-set victory.