I would use a marine adhesive such as 3M™ Marine Adhesive Sealant 5200, I have not personally used it so I cannot make a personal recommendation, it is just for an example. "Its flexibility allows for the dissipation of stress caused by shock, vibration, swelling or shrinking" from 3M website. Just my 2 cents worth.
Berniece & Russell with LilBit a Netherland Dwarf rabbit
1987 Southwind, 1995 Ford F150 Supercab 4X4 toad
Life in the fast lane? No thanks! We will stop and smell the flowers at every chance.