diff --git a/package-lock.json b/package-lock.json
index 8c9a9e2..b310957 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -25,7 +25,7 @@
         "@types/react-dom": "~19.0.4",
         "geist": "~1.3.1",
         "global-jsdom": "~26.0.0",
-        "postcss": "~8.4.49",
+        "postcss": "~8.5.3",
         "serve": "~14.2.4",
         "tailwindcss": "^4.0.9",
         "typescript": "~5.8.2"
@@ -4790,9 +4790,9 @@
       "license": "ISC"
     },
     "node_modules/postcss": {
-      "version": "8.4.49",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.49.tgz",
-      "integrity": "sha512-OCVPnIObs4N29kxTjzLfUryOkvZEq+pf8jTF0lg8E7uETuWHA+v7j3c/xJmiqpX450191LlmZfUKkXxkTry7nA==",
+      "version": "8.5.3",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.3.tgz",
+      "integrity": "sha512-dle9A3yYxlBSrt8Fu+IpjGT8SY8hN0mlaA6GY8t0P5PjIOZemULz/E2Bnm/2dcUOena75OTNkHI76uZBNUUq3A==",
       "dev": true,
       "funding": [
         {
@@ -4810,7 +4810,7 @@
       ],
       "license": "MIT",
       "dependencies": {
-        "nanoid": "^3.3.7",
+        "nanoid": "^3.3.8",
         "picocolors": "^1.1.1",
         "source-map-js": "^1.2.1"
       },
diff --git a/package.json b/package.json
index 496ecce..328f41e 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "@types/react-dom": "~19.0.4",
     "geist": "~1.3.1",
     "global-jsdom": "~26.0.0",
-    "postcss": "~8.4.49",
+    "postcss": "~8.5.3",
     "serve": "~14.2.4",
     "tailwindcss": "^4.0.9",
     "typescript": "~5.8.2"