The Italy veteran says that securing European silverware this term would be a delight for the Bianconeri, and he also wished his ex-club Milan the best against the Blaugrana
The Italian league's champions beat Celtic 3-0 on February 12 in the first leg of their Champions League tie, with the second leg of the encounter to be played on March 6.
"Our goal this season is to win the League again," the 33-year-old told Rai Sport.
"But the Champions League is also a dream.
"Every game further into the competition is a step closer," he added.
The Italian star then took the time to wish his former club AC Milan luck for their Champions League tie with Barcelona on Wednesday.
"It is going to be a great game, that's for sure.
"I hope the Rossoneri can do well."