Door opening/closing during summer

Hello there,
I know that isn’t a proper developer discussion, but I need to find a solution for this.
My door is getting smaller in winter and bigger in summer (wood changes state depending on external temperature).
The trouble is that in summer or during high temperature, I cannot unlock the door using nuki because of too much pressure of the door with lock mechanism, so during summer at the moment I’m pushing “open door” only when I can pull the door on me to make nuki life easier.

So, had anyone got this issue? What was his solution? Any suggestion?