This page describes Cloud SQL's database version support policies.
Database versions supported by Cloud SQL
The database engines supported by Cloud SQL include multiple versions. The versions can vary in capabilities and in the types of issues that arise. While performing an upgrade can impact your users, providing up-to-date database features and important patches is also critical. Cloud SQL keeps your instances up-to-date with patches and minor version updates automatically.
Major and minor versions supported by Cloud SQL
Cloud SQL supports the following database versions.
| Major version | Minor version | Regular support start date | Extended support start date | Deprecation date |
|---|---|---|---|---|
| PostgreSQL 18 (default) | 18.6 | September 25, 2025 | - | - |
| PostgreSQL 17 | 17.11 | October 22, 2024 | February 1, 2030 | February 1, 2033 |
| PostgreSQL 16 |