diff --git a/ui/website/package.json b/ui/website/package.json
index 9860182a..3f400b44 100644
--- a/ui/website/package.json
+++ b/ui/website/package.json
@@ -14,7 +14,7 @@
   },
   "devDependencies": {
     "@tailwindcss/postcss": "^4.2.1",
-    "postcss": "^8.5.8",
+    "postcss": "^8.5.10",
     "tailwindcss": "^4.1.18",
     "typescript": "^5.9.3",
     "vite": "^7.3.1",
diff --git a/ui/website/yarn.lock b/ui/website/yarn.lock
index 79965190..2f9684cb 100644
--- a/ui/website/yarn.lock
+++ b/ui/website/yarn.lock
@@ -1108,10 +1108,10 @@ picomatch@^4.0.3:
   resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-4.0.3.tgz#796c76136d1eead715db1e7bad785dedd695a042"
   integrity sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==
 
-postcss@^8.5.6, postcss@^8.5.8:
-  version "8.5.8"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.8.tgz#6230ecc8fb02e7a0f6982e53990937857e13f399"
-  integrity sha512-OW/rX8O/jXnm82Ey1k44pObPtdblfiuWnrd8X7GJ7emImCOstunGbXUpp7HdBrFQX6rJzn3sPT397Wp5aCwCHg==
+postcss@^8.5.10, postcss@^8.5.6:
+  version "8.5.10"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.10.tgz#8992d8c30acf3f12169e7c09514a12fed7e48356"
+  integrity sha512-pMMHxBOZKFU6HgAZ4eyGnwXF/EvPGGqUr0MnZ5+99485wwW41kW91A4LOGxSHhgugZmSChL5AlElNdwlNgcnLQ==
   dependencies:
     nanoid "^3.3.11"
     picocolors "^1.1.1"