diff --git a/scripts/upgrade b/scripts/upgrade
index d609955..bec3360 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -65,6 +65,16 @@ ynh_add_config --template=".env" --destination="/home/yunohost.app/$app/app/.env
 chmod 400 "/home/yunohost.app/$app/app/.env.local"
 chown $app:$app "/home/yunohost.app/$app/app/.env.local"
 
+#=================================================
+# INSTALL BORGWARHOUSE
+#=================================================
+
+pushd /home/yunohost.app/$app/app
+ 	ynh_use_nodejs
+	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH $ynh_npm ci
+	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH NODE_ENV=production $ynh_npm run build
+popd
+
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================