diff --git a/doc/setup.rst b/doc/setup.rst
index fcd3d81714..97aef78c4f 100644
--- a/doc/setup.rst
+++ b/doc/setup.rst
@@ -122,7 +122,7 @@ Finally, you'll need to use `Yarn`_ to install some JavaScript dependencies:
 
 .. code-block:: sh
 
-    yarn install
+    yarn install --production
 
 .. _composer: