A 17-year-old male has died in hospital following a bus crash on the Great Ocean Road, near Princetown, last Wednesday.
The male, from New South Wales, was flown to The Alfred hospital in a critical condition following the crash near the intersection with The Boulevard last week.
He died on Wednesday afternoon.
A female passenger, aged in her 30s, died at the scene.
Investigators believe the bus, carrying tourists, left the road and went 20 metres down a ravine.
Major Collision Investigation Group detectives continue to investigate.
Anyone with any information is asked to contact Crime Stoppers on 1800 333 000.
The death takes the state's road toll to 145, 12 more than the same time last year.