Bazel 5 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
Bazel 5 reached end of life on 31 Jan 2025. It no longer receives security fixes.
555 days without security patches
Recommended action: upgrade to Bazel 9. Check your versionbazel --version
Support timeline
Official dates from the Bazel release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 19 Jan 2022 | — |
| End of life | 31 Jan 2025 | 1.5 years ago |
| Active support ended | 19 Dec 2022 | security fixes only after this |
| Latest release | 5.4.1 · 19 Apr 2023 | final |
Where to go from 5
Recommended target: Bazel 9 (supported until 31 Dec 2028).
The newest actively supported branch is Bazel 9 (latest release 9.2.0).
Frequently asked questions
Is Bazel 5 still safe to use?
Bazel 5 reached end of life on 31 Jan 2025, 555 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Bazel 5?
Yes — the final release (5.4.1) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Bazel 5 to?
Upgrade to Bazel 9, the newest actively supported branch (supported until 31 Dec 2028).