Prometheus end of life: end of support by version
CNCF · Monitoring & ITSM
For Prometheus by CNCF, patchletter knows 12 support cycles. 11 of them have already ended and receive no more security updates. The next support window closes on 31/07/2027, 265 days from now. The current version of Prometheus is 3.16.0. The cycles come from the open endoflife.date project, last reconciled on 07/11/2026.
When does support end for which Prometheus version?
A cycle is a maintained version line. Where a date is given, support ends on that day. After it the vendor ships no more security updates for that line.
| Cycle | Latest version | End of support | Status |
|---|---|---|---|
| 3.15 | 3.15.1 | 2 days ago | End of Life |
| 3.14 | 3.14.0 | 39 days ago | End of Life |
| 3.13LTS | 3.13.5 | 265 days left | EOL 31 Jul 27 |
| 3.12 | 3.12.0 | 122 days ago | End of Life |
| 3.11 | 3.11.3 | 178 days ago | End of Life |
| 3.10 | 3.10.0 | 214 days ago | End of Life |
| 3.9 | 3.9.1 | 264 days ago | End of Life |
| 3.8 | 3.8.1 | 303 days ago | End of Life |
| 3.7 | 3.7.3 | 347 days ago | End of Life |
| 3.6 | 3.6.0 | 371 days ago | End of Life |
| 3.5LTS | 3.5.5 | 100 days ago | End of Life |
| 3.4 | 3.4.2 | 498 days ago | End of Life |
Which Prometheus versions no longer receive security updates?
11 of 12 cycles have ended. If you run one of those lines, the vendor ships you no more patches, not even for critical flaws.
- Prometheus 3.153.15.1
- Prometheus 3.143.14.0
- Prometheus 3.123.12.0
- Prometheus 3.113.11.3
- Prometheus 3.103.10.0
- Prometheus 3.93.9.1
- Prometheus 3.83.8.1
- Prometheus 3.73.7.3
- Prometheus 3.63.6.0
- Prometheus 3.53.5.5
- Prometheus 3.43.4.2
Where does the EOL data for Prometheus come from?
From the open endoflife.date project, which collects vendors' official support commitments. patchletter reconciles the cycles daily; the Prometheus data is as of 07/11/2026. In case of doubt the vendor's own lifecycle page applies. patchletter deliberately stores no vendor full texts.
New Prometheus versions by email
Tick the product and patchletter reports new releases by email. The update email costs nothing, and one click stops it again. The warning 90, 30 and 7 days before support ends is part of patchletter Pro.