University of Texas regents are considering making changes to football coach Mack Brown's contract.The regents scheduled a Thursday telephone meeting. Brown's contract, which runs through 2016, is the only agenda item and details were not released.A source told the Austin American-Statesman that the board will extend Brown's contract by four years through the 2020 season. The Statesmen also reported that Brown will continue to receive annual $1,000 raises with the extension. Brown, 60, is one of the highest-paid coaches in the country at $5.2 million per year.Texas athletic director DeLoss Dodds said last month he wanted to extend Brown's current contract by a couple of years to help end rumors Brown would soon retire.Texas went 8-5 with a win in the Bridgepoint Education Holiday Bowl in 2011, his 14th season with the Longhorns. He had his first losing season at Texas in 2010 when the Longhorns finished 5-7.