Glasgow Rangers boss Mark Warburton has picked Gilks for the majority of the club's cup games this term.
Ibrox side Glasgow Rangers were heavily beaten by Celtic in their latest outing.
The former Rangers goalie was frozen out at Ibrox under Mark Warburton.
The 29-year-old left Ibrox after failing to make a single appearance for Glasgow Rangers since Mark Warburton took over.
Rangers goalkeeper Cammy Bell is set to leave Ibrox this week.
Ibrox side Glasgow Rangers look set to lose Cammy Bell to Dundee United.
Rangers goalkeeper Cammy Bell is expected to leave Ibrox this summer.
Rangers goalkeeper Cammy Bell could be about to leave Ibrox.
Rangers are reportedly nearing a deal for Esteban Alvarado
The 29-year-old is yet to play for the Scottish Championship side this season.