diff --git a/Installation.md b/Installation.md
index 0348502..af85fba 100644
--- a/Installation.md
+++ b/Installation.md
@@ -5,7 +5,7 @@ This is the installation guide for the LiteBans web interface.
 Minimum requirements:
 - An existing website hosted on an existing domain
 - A MySQL database (which must allow remote SQL, if used remotely)
-- PHP 5.3+ with `pdo_mysql` module installed and enabled
+- PHP 5.3+ with `pdo_mysql` and `intl` modules installed and enabled
 
 Recommended:
 - PHP 8.1+