TLS 1.1 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
TLS 1.1 reached end of life on 23 Mar 2021. It no longer receives security fixes.
1,965 days without security patches
Recommended action: upgrade to TLS 1.3. Support timeline
Official dates from the TLS release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 26 Apr 2006 | — |
| End of life | 23 Mar 2021 | 5.4 years ago |
| Latest release | — | final |
Where to go from 1.1
Recommended target: TLS 1.3.
The newest actively supported branch is TLS 1.3 (latest release ).
Frequently asked questions
Is TLS 1.1 still safe to use?
TLS 1.1 reached end of life on 23 Mar 2021, 1,965 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download TLS 1.1?
Yes — the final release (1.1) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade TLS 1.1 to?
Upgrade to TLS 1.3, the newest actively supported branch.