Following the announcement of updates to the PostgreSQL database, we have updated Amazon RDS for PostgreSQL to support PostgreSQL minor versions 11,2, 10.7, 9.6.12, 9.5.16, and 9.4.21. This release contains bug fixes and improvements done by the PostgreSQL community.
We previously announced support for Multi Major Version Upgrades to PostgreSQL 11. This release adds support for Multi Major Version Upgrades to PostgreSQL 10.7 and PostgreSQL 11.2. Please refer to the major version upgrade documentation on details around the PostgreSQL versions that are supported as source and target versions and also any limitations associated with the upgrade process.
Amazon RDS for PostgreSQL makes it easy to set up, operate, and scale PostgreSQL deployments in the cloud. Learn more about upgrading your database instances from the Amazon RDS User Guide. See Amazon RDS for PostgreSQL Pricing for pricing details and regional availability.
from What’s New https://aws.amazon.com/about-aws/whats-new/2019/05/amazon-rds-postgresql-supports-minor-version-112/