pkcon refresh
Refreshing cache                                                                   
Waiting in queue                                                                   
Waiting for authentication                                                         
Waiting in queue                                                                    
Starting                                                                            
Refreshing software list                                                           
[root@Jolla nemo]# pkcon upgrade
Command failed: Option 'upgrade' is not supported
[root@Jolla nemo]# pkcon update
Getting updates                                                                    
Waiting in queue                                                                   
Starting                                                                            
Querying                                                                            
Refreshing software list                                                           
No packages require updating to newer versions.