ST-2026-138 · SDKs, clients & toolchains
Google Cloud CLI deprecates Python 3.9 and raises its supported floor to Python 3.10
Google Cloud CLI 554.0.0 deprecated Python 3.9 and established Python 3.10 as the minimum supported Python version.
Google Cloud CLIPython 3.9Python 3.10runtime supportbreaking change
Previous state
Cloud CLI installations could rely on Python 3.9 within the supported runtime range.
Current state
Python 3.9 is deprecated and Python 3.10 is the minimum supported interpreter.
Affected users
Who needs to care
Component-based or custom Cloud CLI installations that use a system Python interpreter.
Required response
What to do
Upgrade the interpreter and verify wrapper scripts, virtual environments and installation automation.
Evidence boundary
What the source does not prove
The release note changes the Cloud CLI support floor; it does not deprecate Python 3.9 across Google Cloud services generally.
Lifecycle history
Dated event sequence
- Python floor changed
Cloud CLI 554.0.0 deprecated Python 3.9 and set Python 3.10 as the minimum.
Evidence ledger
First-party sources
- 01Google Cloud — Google Cloud CLI release notes — 554.0.0
Official CLI release notes · 2026-01-27
Open official source ↗