The supply of baked beans is under threat as world production decreases.
Heinz gets its key ingredient, navy beans, from the US and Canada, where production has halved because growers are opting to plant corn for the ethanol market.
And if current trends continue, there could be a rise in the price of baked beans.
Heinz Australia managing director Peter Widdows says the company will not be able to keep absorbing price increases.
"Sourcing beans from elsewhere is very difficult," he said.
"We do require 65,000 tonnes of navy beans globally and there aren't many places that can actually supply us."
