Yes. Unfortunately, no other than the yearly vignette is available. That means even if you drive only once, even only for a minute on Swiss motorways a valid vignette is required.
Related articles:
Are shorter term Swiss motorway vignettes available (daily/weekly/monthy)?
What happens if I drive without a Swiss vignette?
Where can I buy the Swiss motorway vignette?
Can I drive until the first exit without a vignette?
How is the Swiss e-vignette checked?