| Zulip Server version | Supported versions of PostgreSQL | | -------------------- | -------------------------------- | | 3.x | 9.3, 9.5, 9.6, 10, 11, 12 | | 4.x | 9.3, 9.5, 9.6, 10, 11, 12, 13 | | 5.x | 10, 11, 12, 13, 14 | | 6.x | 11, 12, 13, 14 | | 7.x | 12, 13, 14, 15 | | 8.x | 12, 13, 14, 15, 16 | | 9.x | 12, 13, 14, 15, 16 | | 10.x (unreleased) | 13, 14, 15, 16 |