diff --git a/package-lock.json b/package-lock.json
index bbf8018388..2ef91295d6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -116,7 +116,7 @@
         "html-webpack-plugin": "5.6.7",
         "jsdom": "29.1.1",
         "mini-css-extract-plugin": "2.10.2",
-        "postcss": "8.5.16",
+        "postcss": "8.5.18",
         "postcss-loader": "8.2.1",
         "postcss-preset-env": "10.6.1",
         "postcss-scss": "4.0.9",
@@ -16702,9 +16702,9 @@
       }
     },
     "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 93ae12c722..b94d61baba 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
     "html-webpack-plugin": "5.6.7",
     "jsdom": "29.1.1",
     "mini-css-extract-plugin": "2.10.2",
-    "postcss": "8.5.16",
+    "postcss": "8.5.18",
     "postcss-loader": "8.2.1",
     "postcss-preset-env": "10.6.1",
     "postcss-scss": "4.0.9",