diff --git a/package.json b/package.json
index dbf63dd..ff596dd 100644
--- a/package.json
+++ b/package.json
@@ -22,6 +22,7 @@
   "devDependencies": {
     "@vitejs/plugin-vue": "^6.0.1",
     "@vitejs/plugin-vue-jsx": "^5.1.1",
+    "less": "^4.4.2",
     "rollup-plugin-visualizer": "^6.0.3",
     "typescript": "~5.9.3",
     "vite": "^7.1.7",