Need urgent help, prices change by themselves after an update

Hello it’s been several times that I have this error for one or two months, each time that woocommerce this update or your plugin, all the prices of my products increase from 1 to 3$, I have already re-imported 3 times my store thinking that it came from me, but here I’m sure that not before the update I checked all my prices and it was good, after the update no more prices were good …..