root@8ac14f0bb59a:/workplace# claude upgrade
Current version: 2.1.185
Checking for updates to latest version...
Claude is managed by a package manager.
root@8ac14f0bb59a:/workplace# apt upgrade claude-code
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
claude-code is already the newest version (2.1.212-1).
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
so using claude Opus 5 is impossible now as it is not available in 212 claude code version

so using claude Opus 5 is impossible now as it is not available in 212 claude code version