diff --git a/docs/install/custom-server.rst b/docs/install/custom-server.rst
index 9c94843..3e60c74 100644
--- a/docs/install/custom-server.rst
+++ b/docs/install/custom-server.rst
@@ -31,7 +31,7 @@ Pre-requisites
 ==============
 
 #. Some familiarity with the command line.
-#. A server running Ubuntu 20.04 where you have root access.
+#. A server running Ubuntu 20.04+ where you have root access (Ubuntu 22.04 LTS recommended).
 #. At least **1GB** of RAM on your server.
 #. Ability to ``ssh`` into the server & run commands from the prompt.
 #. An **IP address** where the server can be reached from the browsers of your target audience.