# X_UPGRADE_VERSION_UNPUBLISHED

## Means

x upgrade --to names a version npm does not have

## Typical cause

the version is not in the list npm publishes for @ultimat3/cli. Nothing was written

## Fix

`bun pm view @ultimat3/cli versions --json` — then: x upgrade --to <one of them> --json

[CLI and verify](/error-codes#cli-and-verify)