diff --git a/README.md b/README.md
index 2a9488ec8..4bfa41dd3 100644
--- a/README.md
+++ b/README.md
@@ -101,6 +101,7 @@ Install
 #### Update
 1. `git pull origin master`
 2. `npm install`
+3. `npm run build`
 
 Launch
 --------------------------------