- * [PostgreSQL](https://www.postgresql.org) (9.3+)
- * [PostGIS](https://postgis.net) (2.2+)
- * [Python 3](https://www.python.org/) (3.5+)
+ * [PostgreSQL](https://www.postgresql.org) (9.6+ will work, 11+ strongly recommended)
+ * [PostGIS](https://postgis.net) (2.2+ will work, 3.0+ strongly recommended)
+ * [Python 3](https://www.python.org/) (3.6+)