diff --git a/package-lock.json b/package-lock.json
index f7f8394..d07ee63 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": "8.5.8",
+        "postcss": "8.5.13",
         "postcss-cli": "11.0.1",
         "prettier": "3.8.1",
         "stylelint": "17.5.0",
@@ -4134,9 +4134,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.8",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.8.tgz",
-      "integrity": "sha512-OW/rX8O/jXnm82Ey1k44pObPtdblfiuWnrd8X7GJ7emImCOstunGbXUpp7HdBrFQX6rJzn3sPT397Wp5aCwCHg==",
+      "version": "8.5.13",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.13.tgz",
+      "integrity": "sha512-qif0+jGGZoLWdHey3UFHHWP0H7Gbmsk8T5VEqyYFbWqPr1XqvLGBbk/sl8V5exGmcYJklJOhOQq1pV9IcsiFag==",
       "dev": true,
       "funding": [
         {
diff --git a/package.json b/package.json
index db1767c..1f96c5d 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": "8.5.8",
+    "postcss": "8.5.13",
     "postcss-cli": "11.0.1",
     "prettier": "3.8.1",
     "stylelint": "17.5.0",