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Prometheus
Active
Tools & Monitoring Latest Version: 3.9.1 Latest Release: Jan 7, 2026
Prometheus is an open-source monitoring and alerting toolkit designed for reliability and scalability.
Versions
30
Latest Version
3.9.1
Active Support
2
EOL
28
Lifecycle Timeline
Today ↓
3.9
3.9
3.8
3.8
3.7
3.7
3.6
3.6
3.5
3.5
3.4
3.4
3.3
3.3
3.2
3.2
3.1
3.1
3.0
3.0
Active SupportSecurity SupportEOL
Versions
| Release | Release Date | Active Support | EOL | Latest Version | LTS | Status |
|---|---|---|---|---|---|---|
| 3.9 | Jan 6, 2026 | - | Feb 17, 2026 | 3.9.1 | No | Active |
| 3.8 | Nov 28, 2025 | - | Jan 9, 2026 | 3.8.1 | No | EOL |
| 3.7 | Oct 15, 2025 | - | Nov 26, 2025 | 3.7.3 | No | EOL |
| 3.6 | Sep 17, 2025 | - | Nov 2, 2025 | 3.6.0 | No | EOL |
| 3.5 | Jul 14, 2025 | - | Jul 31, 2026 | 3.5.1 | Yes | Active |
| 3.4 | May 17, 2025 | - | Jun 28, 2025 | 3.4.2 | No | EOL |
| 3.3 | Apr 15, 2025 | - | May 27, 2025 | 3.3.1 | No | EOL |
| 3.2 | Feb 17, 2025 | - | Mar 31, 2025 | 3.2.1 | No | EOL |
| 3.1 | Jan 2, 2025 | - | Feb 13, 2025 | 3.1.0 | No | EOL |
| 3.0 | Nov 14, 2024 | - | Dec 26, 2024 | 3.0.1 | No | EOL |
| 2.55 | Oct 22, 2024 | - | Dec 3, 2024 | 2.55.1 | No | EOL |
| 2.54 | Aug 9, 2024 | - | Sep 20, 2024 | 2.54.1 | No | EOL |
| 2.53 | Jun 16, 2024 | - | Jul 31, 2025 | 2.53.5 | Yes | EOL |
| 2.52 | May 8, 2024 | - | Jun 19, 2024 | 2.52.0 | No | EOL |
| 2.51 | Mar 19, 2024 | - | Apr 30, 2024 | 2.51.2 | No | EOL |
| 2.50 | Feb 22, 2024 | - | Apr 4, 2024 | 2.50.1 | No | EOL |
| 2.49 | Jan 15, 2024 | - | Feb 26, 2024 | 2.49.1 | No | EOL |
| 2.48 | Nov 15, 2023 | - | Dec 28, 2023 | 2.48.1 | No | EOL |
| 2.47 | Sep 6, 2023 | - | Oct 18, 2023 | 2.47.2 | No | EOL |
| 2.46 | Jul 25, 2023 | - | Sep 5, 2023 | 2.46.0 | No | EOL |
| 2.45 | Jun 23, 2023 | - | Jul 31, 2024 | 2.45.6 | Yes | EOL |
| 2.44 | May 14, 2023 | - | Aug 6, 2023 | 2.44.0 | No | EOL |
| 2.43 | Mar 21, 2023 | - | May 2, 2023 | 2.43.1 | No | EOL |
| 2.42 | Jan 31, 2023 | - | Mar 14, 2023 | 2.42.0 | No | EOL |
| 2.41 | Dec 20, 2022 | - | Jan 31, 2023 | 2.41.0 | No | EOL |
| 2.40 | Nov 7, 2022 | - | Dec 19, 2022 | 2.40.7 | No | EOL |
| 2.39 | Oct 5, 2022 | - | Nov 16, 2022 | 2.39.2 | No | EOL |
| 2.38 | Aug 16, 2022 | - | Sep 27, 2022 | 2.38.0 | No | EOL |
| 2.37 | Jul 14, 2022 | - | Jul 31, 2023 | 2.37.9 | Yes | EOL |
| 2.36 | May 30, 2022 | - | Jul 11, 2022 | 2.36.2 | No | EOL |
Frequently Asked Questions
Which versions of Prometheus have reached end of life?
The following Prometheus versions have reached end of life and no longer receive security updates: 3.8, 3.7, 3.6, 3.4, 3.3, 3.2, 3.1, 3.0 (and 20 more). It is recommended to upgrade to a supported version.
Is it safe to continue using Prometheus 3.8?
Prometheus 3.8 has reached end of life and no longer receives security patches or bug fixes. Continuing to use it may expose your systems to known vulnerabilities. We strongly recommend upgrading to a supported version.
What is the latest version of Prometheus?
The latest version of Prometheus is 3.9.1, released in the 3.9 release cycle.
How many versions of Prometheus are currently supported?
Prometheus currently has 2 actively supported version(s): 3.9, 3.5.
When does Prometheus 3.9 reach end of life?
Prometheus 3.9 is scheduled to reach end of life on Feb 17, 2026.
What should I do when Prometheus reaches end of life?
When a Prometheus version reaches end of life, you should: 1) Plan your migration to a supported version as soon as possible. 2) Review the release notes for breaking changes. 3) Test your applications thoroughly in a staging environment. 4) Update your dependencies to ensure compatibility with the new version.