diff --git a/webapp/readme.md b/webapp/readme.md
index 3f3532d4dc..6daf2f8948 100644
--- a/webapp/readme.md
+++ b/webapp/readme.md
@@ -3,6 +3,7 @@
 1. install ```yarn``` globaly
 2. execute ```yarn``` in this folder
 3. execute ```lerna bootstrap```
+3. execute ```lerna run build --stream --scope=@cloudbeaver/product-default```
 4. open ```packages/product-default/lib/index.html``` or run ```npx serve packages/product-default/lib```
 
 ## Build