diff --git a/docs/options.md b/docs/options.md
index 4504d6f00..21340cfbe 100644
--- a/docs/options.md
+++ b/docs/options.md
@@ -25,6 +25,28 @@ On Windows:
 set SYMFONY_VERSION=6.4.* && docker compose up --wait&set SYMFONY_VERSION=
 ```
 
+> [!NOTE]
+>
+> If you install a Symfony 6.4 version, you also need to do these steps:
+>
+> ```bash
+> composer require runtime/frankenphp-symfony
+> ```
+>
+> Add this content `env APP_RUNTIME Runtime\FrankenPhpSymfony\Runtime` in the `frankenphp/Caddyfile` on the `worker`section.
+
+```Caddyfile
+frankenphp {
+        {$FRANKENPHP_CONFIG}
+
+        worker {
+                file ./public/index.php
+                env APP_RUNTIME Runtime\FrankenPhpSymfony\Runtime
+                {$FRANKENPHP_WORKER_CONFIG}
+        }
+}
+```
+
 ## Installing Development Versions of Symfony
 
 To install a non-stable version of Symfony,