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Managed Postgres handles PostgreSQL version upgrades to keep your instances secure and up to date. Both minor and major version upgrades are supported with minimal disruption.

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Minor version upgrades

Minor version upgrades (e.g., 16.4 to 16.5) include bug fixes and security patches. These are performed via failover and typically result in only a brief disconnect, often lasting just a few seconds. For instances with standbys enabled, the upgrade is applied to the standby first, followed by a failover to minimize downtime.

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Major version upgrades

Major version upgrades (e.g., 16.x to 17.x) also involve only a few seconds of downtime, following a similar failover-based approach.

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Maintenance windows

Managed Postgres supports maintenance windows so that upgrades and other maintenance operations can be scheduled at a time that’s least disruptive to your workload. UI support for configuring maintenance windows is coming soon. In the meantime, contact support to set up a maintenance window for your instance.