diff --git a/README.md b/README.md
index c9118028..e93090d8 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,8 @@ Use `zola serve` for a local preview or `zola build` to generate static site in
 
 `npm i && npm run format` will pretty-format Markdown and scss.
 
+Upgrade npm dependencies with `npm run upgrade`, make sure that you have installed `npm-check-updates` package.
+
 ## Deployment
 
 Every PR deploys a preview version of the site at unique url.