New member saying hi/need advice

Hi all I am a new member from Buffalo NY. I joined this forum cause I need advice.
Ive had my Esther Williams pool for almost 13 years and im having problems with the liner bead coming out of the track. I lost all the water over the winter because it came out and the liner sagged enough for it to drain. I put it back in and used pieces of rubber screen bead to help hold the liner in where it came loose. Now it came loose in another spot. Im thinking about caulking the liner in the track. Is that a bad idea? I figure it will help hold it in and if I ever change the liner I could just cut the caulk along the edge to free up the liner from the pool wall.
Thanks.