There are a few 3th party updates in our repository ready to go:
– Enlightenment 0.20.6
– SpiderOakOne 6.1.3
– TOR Browser 5.5.3
– TOR Messenger 0.1.0b5 (beta)

Upgrade your system as usually:
sudo apt-get update
sudo apt-get dist-upgrade

or via ‘Update Tool’ or ‘Synaptic’ as you wish.