diff --git a/readme.md b/readme.md
index d0f29c4..a219ef3 100644
--- a/readme.md
+++ b/readme.md
@@ -5,6 +5,12 @@ This guide will assume you are running [Purpur](https://purpurmc.org). Some sett
 not available in Paper or Spigot. Similar exploits might exist in vanilla, fabric or forge servers, and you will have to
 find mods that fix them on those loaders.
 
+## The most important thing
+
+Keep up to date on your server software. There are exploits that are fixed in newer versions of the software, even if
+it's not announced. If you are running a server, you should be running the latest version possible to avoid critical
+vulnerabilities.
+
 
 ## Exploits