Romania, meanwhile, dropped to No. 18 in the ratings released Monday by the International Rugby Board.
Georgia was also on the move, jumping over Italy into 14th spot. The Italians were thumped 61-20 by Wales on Saturday in Six Nations play.
The top 10 was unchanged with New Zealand at the top, followed by South Africa, newly crowned Six Nations champion Ireland, England, Wales, Australia, France, Argentina, Samoa and Scotland.
Canada 'A' was in action Monday at the ANZ Stadium in Suva, Fiji, defeating Samoa 'A' 28-26 to finish third in the World Rugby Pacific Challenge. A last-minute try through flanker Alastair Clark secured the Canadian win.
Liam Underwood and Ray Barkwill also scored tries for Canada, which benefited from two yellow cards to their opponents in the second half.
The Argentina Pampas XV retained the Pacific Challenge title with a 17-9 victory over the Fiji Warriors in the final. Tonga 'A' finished fifth with a 43-24 win over Junior Japan.
Canada 'A' opened the tournament with a 69-17 victory over Junior Japan before losing 19-17 to Samoa 'A' and 36-15 to the Argentina Pampas XV.
The tournament featured developmental sides from Canada, Argentina, Fiji, Japan, Samoa and Tonga.