end-of-life.org

Alpine Linux 3.21 End of Life

Support dates and upgrade guidance — rebuilt from live data.

Supported

Alpine Linux 3.21 is actively supported. It reaches end of life on 1 Nov 2026.

84 days of security support left
3.21.7 latest release
88% of this branch's supported lifetime has elapsed — 5 Dec 2024 → 1 Nov 2026.
Check your versioncat /etc/alpine-release

Support timeline

Official dates from the Alpine Linux release process.

MilestoneDateStatus
Initial release5 Dec 2024—
End of life (scheduled)1 Nov 2026 in 84 days
Latest release3.21.7 · 15 Apr 2026 current

How much runway a newer branch buys

Moving to Alpine Linux 3.24 extends security support by about 578 days.

BranchEnd of lifeDays leftvs 3.21
Alpine Linux 3.24 1 Jun 2028 662 +578 days
Alpine Linux 3.23 1 Nov 2027 449 +365 days
Alpine Linux 3.22 1 May 2027 265 +181 days
Alpine Linux 3.21 1 Nov 2026 84 this branch

Frequently asked questions

When does Alpine Linux 3.21 reach end of life?

Alpine Linux 3.21 reaches end of life on 1 Nov 2026 — 84 days from now. After that date it receives no security fixes.

Is Alpine Linux 3.21 still supported?

Yes. Alpine Linux 3.21 is currently maintained. Latest release: 3.21.7, published 15 Apr 2026.

What happens when Alpine Linux 3.21 reaches end of life?

Security fixes stop. After 1 Nov 2026 this branch receives no further updates under standard support.

How long do I have to upgrade from Alpine Linux 3.21?

84 days. Moving to Alpine Linux 3.24 instead buys roughly 578 more days of security support.

All Alpine Linux versions

3.24 supported 3.23 supported 3.22 supported 3.21 supported 3.20 EOL 2026 3.19 EOL 2025 3.18 EOL 2025 3.17 EOL 2024 3.16 EOL 2024 3.15 EOL 2023 3.14 EOL 2023 3.13 EOL 2022 3.12 EOL 2022 3.11 EOL 2021 3.10 EOL 2021 3.9 EOL 2020 3.8 EOL 2020 3.7 EOL 2019 3.6 EOL 2019 3.5 EOL 2018 3.4 EOL 2018 3.3 EOL 2017 3.2 EOL 2017 3.1 EOL 2016 3.0 EOL 2016 2.7 EOL 2015 2.6 EOL 2015 2.5 EOL 2014 2.4 EOL 2014 2.3 EOL 2013 2.2 EOL 2013 2.1 EOL 2012