Brisbane's Queensland State of Origin heroes produced key performances to help the National Rugby League leaders beat Canterbury 16-8 in Sydney.
Broncos and Maroons forwards Sam Thaiday, Corey Parker and Matt Gillett all stood out, while Darius Boyd was solid in Brisbane's three tries-to-two victory.
It was the Broncos' sixth consecutive victory and moved them to 30 competition points and four clear of the North Queensland who have the bye this weekend.
The Sydney Roosters have consolidated their place in the top four with a 24-4 win over Penrith.
The Warriors play the Melbourne Storm in Auckland this afternoon.