Pubs run by Island brewery Heron and Brearley are putting their prices up today.
Two landlords have confirmed to 3FM the price of a pint will go up by 6p immediately before the TT festival gets underway.
Publicans have been told the brewery's imposing the hike to round off prices.
3FM has contacted Heron and Brearley for a comment.
Chairman says Post Office moving to postal-only services
Mountain Road re-opens
Airport warning of flight disruption in today's winds
Questions about interpreters for those under police investigation
Have there been risk assessments for prom crossings?
Issue of language requirements for immigrants to be debated
MHK wants more info on this week's airport disruption
Increase in pest reports at Ramsey hospital