silverspr2 - 2019-04-26

hello
Running webmin 1.9 on ubuntu 18.04.2
Dashboard shows 4 updates however software updates module shows no updates found.
Direct from the server terminal sudo apt update: 4 updates are found.
gir1.2-mutter-2/bionic-updates 3.28.3+git20190124-0ubuntu18.04.2 amd64 [upgradable from: 3.28.3-2~ubuntu18.04.2]
libmutter-2-0/bionic-updates 3.28.3+git20190124-0ubuntu18.04.2 amd64 [upgradable from: 3.28.3-2~ubuntu18.04.2]
mutter/bionic-updates 3.28.3+git20190124-0ubuntu18.04.2 amd64 [upgradable from: 3.28.3-2~ubuntu18.04.2]
mutter-common/bionic-updates,bionic-updates 3.28.3+git20190124-0ubuntu18.04.2 all [upgradable from: 3.28.3-2~ubuntu18.04.2]

any suggestions how to get these updates found/working in webmin?
thanks