McKenna has been linked with Wolves and Aston Villa.
McKenna has revealed he plans to move down south in the future to realise his dream of playing in the Premier League.
“I think that is most people's ambition," he said. “It's been a good year but I don't want to get too far ahead of myself.
"If I take my eye off the ball it would be quite easy to slip out of the Aberdeen team and then that would seem a million miles away."