I'm assuming you're referring to the "zuko" package, which is not a well-known package. However, I found a popular package called "zuko" on GitHub, which seems to be related to Python.
If issues arise during the update process: zuko store pkg upd
Conclusion
pip install --upgrade zuko
To provide a comprehensive essay, I'll make an educated guess that you're referring to the process of updating the "zuko" package using pip, which is Python's package manager. I'm assuming you're referring to the "zuko" package,