You cannot change your address in your library account yourself.

UDE students and staff members
can enter their changed address in the HIS online portal of the UDE. The library obtains its address data from this portal.
To the HIS online portal

Other library users
are kindly asked to go to the lending desk in one of our branch libraries and present their identity card and/or a certificate of registration (not older than 6 months) to verify their address.
Opening and service hours of the branch libraries