Billionaire Warren Buffett is upping the ante on this year's March Madness challenge.
He's offering $1 million a year for life for any employee who fills out a perfect bracket through the Sweet 16.
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All employees of his financial firm Berkshire Hathaway, or its subsidiaries are eligible.
Buffett famously made a similar offer two years ago in which he offered $1 billion to anyone who could pick a perfect bracket, but there were no winners.
Billionaire investor Warren Buffett speaks at an election event for Democratic presidential candidate Hillary Clinton, in Omaha, Neb., Wednesday, Dec. 16, 2015. (AP Photo/Nati Harnik)