diff --git a/win/system/frontend/package.json b/win/system/frontend/package.json
index bd3eb83..b894975 100644
--- a/win/system/frontend/package.json
+++ b/win/system/frontend/package.json
@@ -77,7 +77,7 @@
     "globals": "^15.15.0",
     "lovable-tagger": "^1.1.9",
     "postcss": "^8.5.6",
-    "tailwindcss": "^3.4.17",
+    "tailwindcss": "^4.1.18",
     "typescript": "^5.8.3",
     "typescript-eslint": "^8.38.0",
     "vite": "^7.3.1"