diff --git a/lib/Server.js b/lib/Server.js
index de8f299859..45969d41c8 100644
--- a/lib/Server.js
+++ b/lib/Server.js
@@ -505,7 +505,7 @@ class Server {
       setup: () => {
         if (typeof options.setup === 'function') {
           this.log.warn(
-            'The `setup` option is deprecated and will be removed in v3. Please update your config to use `before`'
+            'The `setup` option is deprecated and will be removed in v4. Please update your config to use `before`'
           );
 
           options.setup(app, this);