diff --git a/core/INSTALL.txt b/core/INSTALL.txt
index 3fa2952..8c39930 100644
--- a/core/INSTALL.txt
+++ b/core/INSTALL.txt
@@ -48,8 +48,8 @@ Drupal requires:
 - A web server with PHP support, for example:
   - Apache 2.0 (or greater) (http://httpd.apache.org/).
   - Nginx 1.1 (or greater) (http://nginx.com/).
-- PHP 7.0.8 (or greater) (http://php.net/). For better security support it is
-  recommended to update to at least 7.2.17.
+- PHP 7.3.0 (or greater) (http://php.net/). For better security support it is
+  recommended to update to at least 7.3.13.
 - One of the following databases:
   - MySQL 5.5.3 (or greater) (http://www.mysql.com/).
   - MariaDB 5.5.20 (or greater) (https://mariadb.org/). MariaDB is a fully