Crewe first-team coach Steve Holland is set to lose his two first-choice goalkeepers, who have both refused to sign new contracts with the club.
Ben Williams and Owain Fôn Williams were offered new deals but have turned down the contracts and look set to leave Alex in the summer.
Holland told BBC Radio Stoke: "We're looking for a new number one, it doesn't matter what age.
"We have a list of goalkeepers we're working from, and that is a priority."
Crewe's main target to become their new number one, Gretna's Greg Fleming, has chosen to join League One rivals Oldham.
Williams, 25, has made almost 150 appearances for Alex since joining from Manchester United, initially on loan, in 2004.
And Fôn Williams, 21, has yet to make a first-team start, but has been a regular for the Welsh Under-21 side.
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