diff --git a/legacy/package.json b/legacy/package.json
index 2cc4cf41c..2e28edbf5 100644
--- a/legacy/package.json
+++ b/legacy/package.json
@@ -139,7 +139,7 @@
     "redux-logger": "3.0.6",
     "sass": "1.89.2",
     "shx": "^0.4.0",
-    "tailwindcss": "^3.4.17",
+    "tailwindcss": "^4.0.0",
     "typescript": "^5.7.2",
     "typescript-eslint": "^8.10.0",
     "vite": "^5.4.9",