The 30-year-old scored six goals, seven assists and 121 penalty minutes during the regular season and two assists in 13 Stanley Cup Playoff games.
"I definitely want to keep building. Last year was tough with injuries. I want to try and stay injury-free," Prust told the Canadiens website on Sunday. "Stuff happens, though. Some things you can't control, but I want to get back to getting more ice time and being a bigger factor out there. I want to play well defensively, and get back to my game, the style that I've played for many years and for lots of different teams.