- * [PostgreSQL](https://www.postgresql.org) (9.3+)
- * [PostGIS](https://postgis.net) (2.2+)
- * [Python 3](https://www.python.org/) (3.5+)
- * [Psycopg2](https://www.psycopg.org)
- * [PHP](https://php.net) (7.0 or later)
+ * [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/) (3.7+)
+ * [Psycopg2](https://www.psycopg.org) (2.7+)
+ * [Python Dotenv](https://github.com/theskumar/python-dotenv)
+ * [psutil](https://github.com/giampaolo/psutil)
+ * [Jinja2](https://palletsprojects.com/p/jinja/)
+ * [SQLAlchemy](https://www.sqlalchemy.org/) (1.4+ with greenlet support)
+ * [GeoAlchemy2](https://geoalchemy-2.readthedocs.io/) (0.10+)
+ * [asyncpg](https://magicstack.github.io/asyncpg) (0.8+)
+ * [PyICU](https://pypi.org/project/PyICU/)
+ * [PyYaml](https://pyyaml.org/) (5.1+)
+ * [datrie](https://github.com/pytries/datrie)
+ * [PHP](https://php.net) (7.3+)