diff --git a/README.md b/README.md
index dbb18ce7..7b4d7bee 100644
--- a/README.md
+++ b/README.md
@@ -104,6 +104,12 @@ Those tasks can be performed using shlink's CLI, so it should be easy to schedul
 
     If you don't run this command regularly, the stats will say all visits come from *unknown* locations.
 
+* Update IP geolocation database: `/path/to/shlink/bin/cli visit:update-db`
+
+    When shlink is installed it downloads a fresh [GeoLite2](https://dev.maxmind.com/geoip/geoip2/geolite2/) db file. Running this command will update this file.
+
+    The file does not change very frequently, so it shouldn't be needed to run this command more than once per month.
+
 * Generate website previews: `/path/to/shlink/bin/cli short-url:process-previews`
 
     Running this will improve the performance of the `doma.in/abc123/preview` URLs, which return a preview of the site.
@@ -186,3 +192,5 @@ Available commands:
  visit
   visit:process               Processes visits where location is not set yet
 ```
+
+> This product includes GeoLite2 data created by MaxMind, available from [https://www.maxmind.com](https://www.maxmind.com)
diff --git a/composer.json b/composer.json
index 9064973d..86b52828 100644
--- a/composer.json
+++ b/composer.json
@@ -24,6 +24,7 @@
         "doctrine/orm": "^2.5",
         "endroid/qr-code": "^1.7",
         "firebase/php-jwt": "^4.0",
+        "geoip2/geoip2": "^2.9",
         "guzzlehttp/guzzle": "^6.2",
         "lstrojny/functional-php": "^1.8",
         "mikehaertl/phpwkhtmltopdf": "^2.2",