whenever i am trying to upgrade these

The following packages have been kept back:
bluez-utils cloop-utils imagemagick kismet libmagick6
libxft2 mknbi pppconfig


i get this error

The following packages have unmet dependencies:
kismet: Depends: libxml2 (>= 2.6.10) but 2.6.9-2 is to be installed

all of them need libxml2 according to the errors. HOw cay i correct this?