CentOS Stream 9 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
CentOS Stream 9 is actively supported. It reaches end of life on 31 May 2027.
295 days of security support left
86% of this branch's supported lifetime has elapsed — 15 Sept 2021 → 31 May 2027.
Check your versioncat /etc/redhat-release
Support timeline
Official dates from the CentOS Stream release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 15 Sept 2021 | — |
| End of life (scheduled) | 31 May 2027 | in 295 days |
| Latest release | — | current |
How much runway a newer branch buys
Moving to CentOS Stream 10 extends security support by about 1,096 days.
| Branch | End of life | Days left | vs 9 |
|---|---|---|---|
| CentOS Stream 10 | 31 May 2030 | 1,391 | +1,096 days |
| CentOS Stream 9 | 31 May 2027 | 295 | this branch |
Frequently asked questions
When does CentOS Stream 9 reach end of life?
CentOS Stream 9 reaches end of life on 31 May 2027 — 295 days from now. After that date it receives no security fixes.
Is CentOS Stream 9 still supported?
Yes. CentOS Stream 9 is currently maintained. Latest release: —.
What happens when CentOS Stream 9 reaches end of life?
Security fixes stop. After 31 May 2027 this branch receives no further updates under standard support.
How long do I have to upgrade from CentOS Stream 9?
295 days. Moving to CentOS Stream 10 instead buys roughly 1,096 more days of security support.