diff --git a/packages/treeshake-frontend/package.json b/packages/treeshake-frontend/package.json
index f6ec6c0a4e6..2a5748872ab 100644
--- a/packages/treeshake-frontend/package.json
+++ b/packages/treeshake-frontend/package.json
@@ -84,7 +84,7 @@
     "eslint-plugin-react-hooks": "^5.0.0",
     "eslint-plugin-react-refresh": "^0.4.14",
     "globals": "^15.12.0",
-    "postcss": "8.5.10",
+    "postcss": "8.5.18",
     "tailwindcss": "v3.4.16",
     "typescript": "^6.0.3",
     "typescript-eslint": "^8.15.0"