| 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 |