diff --git a/package-lock.json b/package-lock.json
index 2e1db6c..a3e5bb6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19,7 +19,7 @@
         "hugo-bin": "0.142.0",
         "jquery": "4.0.0",
         "npm-run-all": "4.1.5",
-        "postcss": "8.5.16",
+        "postcss": "8.5.18",
         "postcss-cli": "11.0.1",
         "prettier": "3.9.5",
         "stylelint": "17.14.0",
@@ -4142,9 +4142,9 @@
       }
     },
     "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 84ce4e1..51e1f61 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
     "hugo-bin": "0.142.0",
     "jquery": "4.0.0",
     "npm-run-all": "4.1.5",
-    "postcss": "8.5.16",
+    "postcss": "8.5.18",
     "postcss-cli": "11.0.1",
     "prettier": "3.9.5",
     "stylelint": "17.14.0",