diff --git a/package-lock.json b/package-lock.json
index 71238dca00d..62b4dae2355 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -52,7 +52,7 @@
         "globals": "17.7.0",
         "markdown-link-check": "3.14.2",
         "next-sitemap": "4.2.3",
-        "postcss": "8.5.16",
+        "postcss": "8.5.18",
         "prettier": "3.9.4",
         "remark-cli": "12.0.1",
         "remark-code-import": "1.2.0",
@@ -9073,9 +9073,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.16",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.16.tgz",
-      "integrity": "sha512-vuwillviilfKZsg0VGj5R/YwwcHx4SLsIOI/7K6mQkWx+l5cUHTjj5g0AasTBcyXsbfTgrwsUNmVUb5xVwyPwg==",
+      "version": "8.5.18",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.18.tgz",
+      "integrity": "sha512-xdB1oSLHbz1vRWgCDalrCqEFTWzFlhqFC5tIHLMOSUIjhm3XXQ1qrFy8S/ESr1JYRRXqM3c1QFiMZUJdUTqyMQ==",
       "dev": true,
       "funding": [
         {
diff --git a/package.json b/package.json
index 19a791a7b2c..7b14366d822 100644
--- a/package.json
+++ b/package.json
@@ -99,7 +99,7 @@
     "globals": "17.7.0",
     "markdown-link-check": "3.14.2",
     "next-sitemap": "4.2.3",
-    "postcss": "8.5.16",
+    "postcss": "8.5.18",
     "prettier": "3.9.4",
     "remark-cli": "12.0.1",
     "remark-code-import": "1.2.0",