Bazel end-of-life: support & EOL dates for every release
Google · Dev / Build Tool · 3 supported · 3 end-of-life · updated June 2026 · what is end-of-life? →
This is when each Bazel release line stops receiving security updates. 3 release lines are still supported — the next to reach end-of-life is Bazel 7 on 31 Dec 2026. Running an end-of-life version means new vulnerabilities stay unpatched.
Bazel support timeline
Each release line and the date it reaches end-of-life — newest first.
| Release | Latest version | End-of-life | Status |
|---|---|---|---|
| Bazel 9 | 9.1.1 | 31 Dec 2028 · in 30 mo | Supported |
| Bazel 8 | 8.7.0 | 31 Dec 2027 · in 18 mo | Supported |
| Bazel 7 | 7.7.1 | 31 Dec 2026 · in 6 mo | Supported |
| Bazel 6 | 6.6.0 | 31 Dec 2025 | End of life |
| Bazel 5 | 5.4.1 | 31 Jan 2025 | End of life |
| Bazel 4 | 4.2.4 | 31 Jan 2024 | End of life |
Which Bazel version should I run?
The safest choice is the latest supported release, 9.1.1. If you're on an end-of-life line, plan an upgrade to a supported one before security updates stop. See Bazel's full security status →
Get warned before Bazel reaches end-of-life
End-of-life dates are easy to miss until it's too late. Monitor Bazel on IsItPatched and we'll email you before the release line you run stops getting security updates — free, no account needed to start.
Bazel end-of-life — frequently asked
What Bazel versions are still supported?
As of June 2026, these Bazel release lines still receive security updates: 9, 8, 7. The latest supported release is 9.1.1. Versions older than these (6, 5, 4) are end-of-life and no longer patched.
When does Bazel 7 reach end of life?
Bazel 7 reaches end-of-life on 31 Dec 2026 — about 6 months away. After that date it stops receiving security patches.
Is Bazel end-of-life?
No — Bazel still has supported release lines (9, 8, 7). But individual older versions are end-of-life, so what matters is the specific version you run.
How do I know when my Bazel version reaches end of life?
Check the version you run on its product page, or monitor Bazel on IsItPatched to get an email alert before the release line you use reaches end-of-life — so you can upgrade in time.
EOL dates aggregated from endoflife.date and vendor sources, and can change — always confirm with Google. See related: Bazel security status · full EOL calendar · what is end-of-life software? · disclaimer.