PyPI · pypi:pyyaml

PyYAML active

YAML parser and emitter for Python

The latest stable version of PyYAML is 6.0.3, published on 2025-09-25. Verified by Vigia on 2026-11-12.

Latest stable version	6.0.3
Published	2025-09-25 21:31:46 UTC
Install	`pip install --upgrade PyYAML`
Requires	`python >=3.8`
License	MIT
Advisories on latest version	none known
Last verified	2026-11-12 17:05:44 UTC
Sources	pypi.org

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Maintenance

Activity	slowing down
Last stable release	2025-09-25 21:31:46 UTC · 412 days ago
Stable releases in the last 12 months	0
Published versions	40

Heuristic based only on release dates; it does not measure issue or security response times.

Version history

Version	Published
`6.0.3`	2025-09-25 21:31:46 UTC
`6.0.2`	2024-08-06 20:31:40 UTC
`6.0.1`	2023-07-17 23:57:04 UTC
`6.0`	2021-10-13 19:39:42 UTC
`5.4.1`	2021-01-20 22:07:31 UTC
`5.4`	2021-01-19 20:54:14 UTC
`5.3.1`	2020-03-18 21:41:00 UTC
`5.3`	2020-01-06 20:02:23 UTC
`5.2`	2019-12-02 21:35:31 UTC
`5.1.2`	2019-07-31 16:17:59 UTC
`5.1.1`	2019-06-06 22:31:02 UTC
`5.1`	2019-03-13 16:35:30 UTC
`3.13`	2018-07-05 22:52:16 UTC
`3.12`	2016-08-29 00:15:37 UTC
`3.11`	2014-03-27 01:48:59 UTC
`3.10`	2011-07-01 22:59:26 UTC
`3.09`	—
`3.08`	—
`3.07`	—
`3.06`	—

Showing the 20 most recent of 25 versions. JSON

Version compatibility

Newest stable version that declares support for each runtime version (from the requirements published with each version).

Runtime	Newest compatible version
`python 3.8`	`6.0.3`
`python 3.9`	`6.0.3`
`python 3.10`	`6.0.3`
`python 3.11`	`6.0.3`
`python 3.12`	`6.0.3`
`python 3.13`	`6.0.3`

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Frequently asked questions

What is the latest version of PyYAML?

The latest stable version of PyYAML is 6.0.3, published on 2025-09-25. Verified by Vigia on 2026-11-12.

How do I install the latest version of PyYAML?

Run pip install --upgrade PyYAML. The latest stable version is 6.0.3 (verified 2026-11-12).

Is PyYAML deprecated?

No. PyYAML is not marked as deprecated in the registry.

Which Python version does PyYAML require?

PyYAML 6.0.3 declares this requirement: python >=3.8.

Does PyYAML 6.0.3 have known vulnerabilities?

No known advisories affect PyYAML 6.0.3 according to the data Vigia checks.

Is PyYAML still maintained?

PyYAML published 0 stable releases in the last 12 months; the most recent was 412 days ago. Activity: slowing down.

Observed changes

No changes observed yet since Vigia started tracking this package.

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