Bishop this season has been dogged with injury and has only netted seven times this season but recently the Shakers board slapped a £400k price on him.
Crewe Technical Director said "I'm not saying we wouldn't be interested but there is no reason why people should be talking about it," he said.
"If we could find someone who will make a difference to us we'd do it but we haven't found one yet.
"We will strengthen if we can."