ST-2026-076 · SDKs, clients & toolchains
Dependabot removes Python 3.9 dependency-update support
Dependabot no longer supports Python 3.9 for creating dependency-update pull requests.
DependabotPython 3.9dependency updatesruntime support
Previous state
Dependabot could create Python dependency-update pull requests for repositories using Python 3.9.
Current state
Python 3.9 is no longer supported for Dependabot version updates; affected repositories may stop receiving update pull requests until they move to a supported Python release.
Affected users
Who needs to care
Repositories using Python 3.9 with Dependabot dependency-update configuration.
Required response
What to do
Move the project and Dependabot environment to a supported Python release and verify update pull requests resume.
Evidence boundary
What the source does not prove
The change affects Dependabot update pull requests. It does not remove Python 3.9 from GitHub generally or eliminate Dependabot security alerts.
Lifecycle history
Dated event sequence
- Support removed
GitHub stopped supporting Python 3.9 for Dependabot version-update pull requests.
Evidence ledger
First-party sources
- 01GitHub Changelog — Deprecation of Python 3.9 for Dependabot
Official product changelog · 2026-06-23
Open official source ↗