Shane van Gisbergen will stick with Red Bull Racing until the end of the 2019 Supercars Championship season.
The 2016 series champion extending his contract for an extra year on his current deal.
"I'm really happy to be staying with the Red Bull Holden Racing Team for another year," van Gisbergen said.
"The first two seasons have been great, especially with the championship win last year.
"I definitely feel I've come on a lot over the last couple of years and Triple Eight is a great place to be. I've got an awesome team around me and I'm enjoying racing more than ever, so it made sense to keep that going.