**To modify a DB snapshot** The following ``modify-db-snapshot`` example upgrades a PostgeSQL 10.6 snapshot named ``db5-snapshot-upg-test`` to PostgreSQL 11.7. The new DB engine version is shown after the snapshot has finished upgrading and its status is **available**. :: aws rds modify-db-snapshot \ --db-snapshot-identifier db5-snapshot-upg-test \ --engine-version 11.7 Output:: { "DBSnapshot": { "DBSnapshotIdentifier": "db5-snapshot-upg-test", "DBInstanceIdentifier": "database-5", "SnapshotCreateTime": "2020-03-27T20:49:17.092Z", "Engine": "postgres", "AllocatedStorage": 20, "Status": "upgrading", "Port": 5432, "AvailabilityZone": "us-west-2a", "VpcId": "vpc-2ff27557", "InstanceCreateTime": "2020-03-27T19:59:04.735Z", "MasterUsername": "postgres", "EngineVersion": "10.6", "LicenseModel": "postgresql-license", "SnapshotType": "manual", "OptionGroupName": "default:postgres-11", "PercentProgress": 100, "StorageType": "gp2", "Encrypted": false, "DBSnapshotArn": "arn:aws:rds:us-west-2:123456789012:snapshot:db5-snapshot-upg-test", "IAMDatabaseAuthenticationEnabled": false, "ProcessorFeatures": [], "DbiResourceId": "db-GJMF75LM42IL6BTFRE4UZJ5YM4" } } For more information, see `Upgrading a PostgreSQL DB Snapshot <https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_UpgradeDBSnapshot.PostgreSQL.html>`__ in the *Amazon RDS User Guide*.