I don’t know your climate. Does it change much over the course of the year? If so, changes in temperature or humidity could be a factor. We have big swings in both where we are, so adjusting time or temperature each month is what we do.
Stick an instant read thermometer in the crust as soon as you take the pizza out. Should be 96-98C. Higher will create hard pizza. Lower will be gummy. Adjust oven time or oven temperature accordingly.