Следующие пакеты не могут быть обновлены

$ sudo apt-get dist-upgrade        ubuntu 18.04.1

Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... Done
The following packages have been kept back:
  gdb gir1.2-peas-1.0 libpeas-1.0-0 qml-module-io-thp-pyotherside
0 upgraded, 0 newly installed, 0 to remove and 4 not upgraded.

Как мне решить это??