diff --git a/package-lock.json b/package-lock.json
index 45a22cb..7ece48a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -60,7 +60,7 @@
         "concurrently": "^9.1.2",
         "jsdom": "^26.1.0",
         "license-checker-rseidelsohn": "^4.4.2",
-        "postcss": "^8.5.1",
+        "postcss": "^8.5.8",
         "tailwindcss": "^3.4.17",
         "typescript": "^5.7.3",
         "vite": "^6.1.0",
@@ -6654,9 +6654,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.6",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.6.tgz",
-      "integrity": "sha512-3Ybi1tAuwAP9s0r1UQ2J4n5Y0G05bJkpUIO0/bI9MhwmD70S5aTWbXGBwxHrelT+XM1k6dM0pk+SwNkpTRN7Pg==",
+      "version": "8.5.8",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.8.tgz",
+      "integrity": "sha512-OW/rX8O/jXnm82Ey1k44pObPtdblfiuWnrd8X7GJ7emImCOstunGbXUpp7HdBrFQX6rJzn3sPT397Wp5aCwCHg==",
       "funding": [
         {
           "type": "opencollective",
diff --git a/package.json b/package.json
index ae94eda..8125792 100644
--- a/package.json
+++ b/package.json
@@ -106,7 +106,7 @@
     "concurrently": "^9.1.2",
     "jsdom": "^26.1.0",
     "license-checker-rseidelsohn": "^4.4.2",
-    "postcss": "^8.5.1",
+    "postcss": "^8.5.8",
     "tailwindcss": "^3.4.17",
     "typescript": "^5.7.3",
     "vite": "^6.1.0",