# Semgrep: Incomplete Semgrep 1.176.1 release: PyPI installs cannot use Pro Engine

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-09-04 23:13 UTC · Resolved: 2026-09-04 23:38 UTC · Duration: 25 min
- Updates: 2
- [Vendor status page: https://stspg.io/ph646ydmt05p](https://stspg.io/ph646ydmt05p)
- [Company: Semgrep](https://rewindex.com/company/semgrep.md)

## Summary

Semgrep reported a major outage starting 2026-09-04 23:13 UTC: an incomplete 1.176.1 patch release prevented PyPI installations from using Pro Engine. It recommended installing 1.175.1 or 1.176.0 temporarily. Resolved at 2026-09-04 23:38 UTC after 24 min, Pro Engine could again be installed and used normally with Semgrep 1.176.1 via PyPI. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2026-09-04 23:13 UTC: An incomplete patch release of Semgrep 1.176.1 has left installations of this version using PyPI unable to use the Pro Engine. We recommend explicitly installing version 1.175.1 or 1.176.0 as we work to resolve this issue.
- **resolved** 2026-09-04 23:38 UTC: This issue has been resolved. The Pro Engine can be installed and used normally after installing Semgrep 1.176.1 via PyPI.

## Rewindex changes for this incident

- 2026-09-04 23:13 UTC: [Major incident: Incomplete Semgrep 1.176.1 release: PyPI installs cannot use Pro Engine](https://rewindex.com/change/i102fa2112daceb.md)


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Canonical: https://rewindex.com/company/semgrep/incidents/4p36pmnqykdq · Markdown: https://rewindex.com/company/semgrep/incidents/4p36pmnqykdq.md · JSON: https://rewindex.com/api/v1/companies/semgrep/incidents/4p36pmnqykdq · Generated 2026-10-18T12:36:29.367Z