If you are going to use glue, I would try Liquid Nails, available at Lowes/Home Depot. Use a thin layer and allow 24 hrs to dry. Maybe hold it down while setting with masking tape. Merrkalia is correct in that Gorilla glue expands.
Experience without good judgment is worthless; good judgment without experience is still good judgment!
2018 RAM 3500 Big Horn CTD
2018 Grand Design Reflection 303RLS