The Harper government's changes to the Temporary Foreign Workers Program are creating a stir in Alberta.

All three candidates running for the leadership of the governing Progressive Conservatives are critical of the changes announced Friday.

Jim Prentice says a "one-size fits all" plan won't work in Alberta.

He says as he campaigns for the leadership, labour shortages is the number one issue he's hearing about.

Rival Ric McIver says restaurant owners, tourism business owners and feedlot operators have warned him their businesses will close as a result of the federal changes.

The third man in the race, Thomas Lukaszuk, who was Alberta's jobs minister, says temporary foreign workers mean the difference between restaurants being open and closed on a Sunday night.

In a social media post, he says those who spend too much time in Ottawa are out of touch.

Among other things, federal Employment Minister Jason Kenney announced medium and large-sized companies won't be allowed to have more than 10 per cent temporary foreign workers by 2016.