Their motivation: dozens of companies use accounting and enterprise resource planning systems that are at least a decade old, requiring "hugely expensive and hugely painful" upgrades to keep up with compliance regulations, according to Workday CEO Aneel Bhusri. This has made them more open than ever to considering cloud software alternatives, he said. "I didn't think we'd have such a wide open opportunity," Bhusri told attendees at the Morgan Stanley Technology Conference in San Francisco this week. "It's a once-in-a-decade land grab ." Get Data Sheet, Fortune's daily technology newsletter. That is why, effective Feb. 1, Workday realigned its sales team, enabling representatives to sell both the financial management apps and human resources applications into key accounts, like logistics giant J.B. Hunt Transportation, which recently switched on Workday's financial software. Previously, there were separate sales teams for the products.