diff --git a/README.md b/README.md
index 987e154..d6330a8 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,8 @@ refreshed.
 ## Development
 ### Requirements
 * [npm](https://www.npmjs.com/)
-* a local PHP 7 server
+* PHP 7.3+
+* [PHP SQLite 3](https://www.php.net/manual/en/book.sqlite3.php)
 * a local copy of `.fo76-dumps-ids.db`
 
 ### Setting up