Elasticsearch 9.0 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
Elasticsearch 9.0 reached end of life on 23 Oct 2025. It no longer receives security fixes.
290 days without security patches
Recommended action: upgrade to Elasticsearch 9.4. Check your version$ES_HOME/bin/elasticsearch -v
Support timeline
Official dates from the Elasticsearch release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 15 Apr 2025 | — |
| End of life | 23 Oct 2025 | 0.8 years ago |
| Latest release | 9.0.8 · 6 Oct 2025 | final |
Where to go from 9.0
Recommended target: Elasticsearch 9.4.
The newest actively supported branch is Elasticsearch 9.4 (latest release 9.4.4).
Frequently asked questions
Is Elasticsearch 9.0 still safe to use?
Elasticsearch 9.0 reached end of life on 23 Oct 2025, 290 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Elasticsearch 9.0?
Yes — the final release (9.0.8) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Elasticsearch 9.0 to?
Upgrade to Elasticsearch 9.4, the newest actively supported branch.