diff --git a/FreeScout-Modules-Dev.md b/FreeScout-Modules-Dev.md
index 8195f1e..6d1b2c4 100644
--- a/FreeScout-Modules-Dev.md
+++ b/FreeScout-Modules-Dev.md
@@ -166,6 +166,11 @@ Module may include composer packages in it's `composer.json`:
         "rivsen/hello-world": "0.1.0"
     }
 ```
+
+```
+composer update
+```
+
 Module's packages are stored in the it's `vendor` folder, committed and distributed with the module
 
 If some package requires a package which is already loaded in the main composer.json, just ignore it like this: