diff --git a/web/package.json b/web/package.json
index 0aae4c8..bd3e53d 100644
--- a/web/package.json
+++ b/web/package.json
@@ -16,7 +16,7 @@
   "scripts": {
     "start": "react-scripts start",
     "build": "react-scripts build",
-    "build-js": "npm run build && npx gulp",
+    "build-js": "yarn run build && npx gulp",
     "test": "react-scripts test",
     "eject": "react-scripts eject",
     "lint": "eslint --ext .js,.jsx src --color",