X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/4a2873617dcbaf58ff6135aa7d8dcb115c0cc5ba..b9b6b075cc3cc12daa5ba48742e010b3e5e9550e:/docs/admin/Installation.md?ds=inline

diff --git a/docs/admin/Installation.md b/docs/admin/Installation.md
index eadaaff1..32fa8caa 100644
--- a/docs/admin/Installation.md
+++ b/docs/admin/Installation.md
@@ -30,19 +30,21 @@ For compiling:
   * [proj](https://proj.org/)
   * [bzip2](http://www.bzip.org/)
   * [zlib](https://www.zlib.net/)
+  * [ICU](http://site.icu-project.org/)
   * [Boost libraries](https://www.boost.org/), including system and filesystem
   * PostgreSQL client libraries
   * a recent C++ compiler (gcc 5+ or Clang 3.8+)
 
 For running Nominatim:
 
-  * [PostgreSQL](https://www.postgresql.org) (9.3+)
+  * [PostgreSQL](https://www.postgresql.org) (9.3+ will work, 11+ strongly recommended)
   * [PostGIS](https://postgis.net) (2.2+)
   * [Python 3](https://www.python.org/) (3.5+)
   * [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/)
+  * [PyICU](https://pypi.org/project/PyICU/)
   * [PHP](https://php.net) (7.0 or later)
   * PHP-pgsql
   * PHP-intl (bundled with PHP)