RocketChat Snap not refreshing

Description

I recently noticed that our RocketChat server was running an old version where we assumed that it was auto updating as it was running on a snap. I tried to manually refresh the snap but got the following error:

sudo snap refresh rocketchat-server
[sudo] password for chatusr:
error: cannot perform the following tasks:

Server Setup Information

  • Version of Rocket.Chat Server: 1.2.3
  • Operating System: Ubuntu 16.4.3 LTS
  • Deployment Method: snap
  • Number of Running Instances: 1
  • DB Replicaset Oplog:
  • NodeJS Version:
  • MongoDB Version:
  • Proxy: nginx
  • Firewalls involved:

Any additional Information