diff --git a/reference/requirements.rst b/reference/requirements.rst
index 6efe7b56..e3a9a1ce 100644
--- a/reference/requirements.rst
+++ b/reference/requirements.rst
@@ -12,7 +12,7 @@ The following requirements *must* be met to run Sulu:
 * Mac OSX, Linux or Windows
 * :doc:`Apache <../cookbook/web-server/apache>` or
   :doc:`Nginx <../cookbook/web-server/nginx>` with enabled URL rewriting
-* `PHP`_ 8.0 or higher
+* `PHP`_ 8.1 or higher
 * the `intl_extension`_ for PHP
 * the `fileinfo` extension for PHP
 * the `gd`_, `imagick_extension`_ or `vips_extension`_ for PHP