diff --git a/sites/mainweb/package.json b/sites/mainweb/package.json
index 3a1bc233..aa8a579e 100644
--- a/sites/mainweb/package.json
+++ b/sites/mainweb/package.json
@@ -61,7 +61,7 @@
     "autoprefixer": "^10.4.22",
     "cross-env": "^7.0.3",
     "eslint": "10.1.0",
-    "postcss": "8.5.18",
+    "postcss": "8.5.23",
     "tailwindcss": "4.3.0",
     "turbo": "^2.9.14",
     "typescript": "^6.0.2",