Updating the package extra/cfitsio fails

Updating the package extra/cfitsio 1:4.5.0-1 to 1:4.6.0-1 fails due to a conflict with the package extra/ccfits 2.6-3.

error: failed to commit transaction (conflicting files) cfitsio: /usr/bin/cookbook exists in filesystem (owned by ccfits) Errors occurred, no packages were upgraded.