diff --git a/package-lock.json b/package-lock.json
index adf7c3c..e7f762a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -32,13 +32,13 @@
         "@types/negotiator": "^0.6.5",
         "@types/node": "^24.13.3",
         "@types/react": "^19.2.18",
-        "@types/react-dom": "^19.2.5",
+        "@types/react-dom": "^19.2.7",
         "@vercel/config": "^0.7.0",
         "eslint": "^9.39.5",
         "eslint-config-next": "^16.3.4",
         "eslint-plugin-mdx": "^3.8.1",
         "markdownlint-cli2": "^0.23.2",
-        "postcss": "^8.5.26",
+        "postcss": "^8.5.28",
         "remark-lint-frontmatter-validation": "^1.0.4",
         "start-server-and-test": "^3.0.12",
         "tailwindcss": "^4.3.3",
@@ -2816,9 +2816,9 @@
       }
     },
     "node_modules/@types/react-dom": {
-      "version": "19.2.5",
-      "resolved": "https://registry.npmjs.org/@types/react-dom/-/react-dom-19.2.5.tgz",
-      "integrity": "sha512-fMPwH9v7r/pp43yUd2/Mbiex5KouJwwR3dzHkhLREUC6764VyDsqxhAxv6OFEYR1RhjOyD1naqba8ECDBe7ZQg==",
+      "version": "19.2.7",
+      "resolved": "https://registry.npmjs.org/@types/react-dom/-/react-dom-19.2.7.tgz",
+      "integrity": "sha512-I8bPpDLcHBv1qiIiXDCy71Rt8eQDKJP0sMSWJphDdAcdqiJ1sGpZamavoEIRZmYzjia9LuEb2HlYdDpmoENpvQ==",
       "dev": true,
       "license": "MIT",
       "peerDependencies": {
@@ -9854,9 +9854,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.26",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.26.tgz",
-      "integrity": "sha512-u82N74LFzG8ca+dD8puPnplTXoGH4fTPpVGuIbt36G3qvNlkvfD0lEAZSxaly3KX8TS/L1A1gsCEmvKmBcVbkQ==",
+      "version": "8.5.28",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.28.tgz",
+      "integrity": "sha512-RRuzqDtt5Y9h3quz5hWhK+TPnsmVs6WwSU6LkJMeY4HstUEDuYTG8UJSdawMRzmzAtV+KEoG8N3Qg2qLy5vM/A==",
       "dev": true,
       "funding": [
         {
@@ -9874,7 +9874,7 @@
       ],
       "license": "MIT",
       "dependencies": {
-        "nanoid": "^3.3.17",
+        "nanoid": "^3.3.18",
         "picocolors": "^1.1.1",
         "source-map-js": "^1.2.1"
       },
diff --git a/package.json b/package.json
index 5c94121..3421af9 100644
--- a/package.json
+++ b/package.json
@@ -41,13 +41,13 @@
     "@types/negotiator": "^0.6.5",
     "@types/node": "^24.13.3",
     "@types/react": "^19.2.18",
-    "@types/react-dom": "^19.2.5",
+    "@types/react-dom": "^19.2.7",
     "@vercel/config": "^0.7.0",
     "eslint": "^9.39.5",
     "eslint-config-next": "^16.3.4",
     "eslint-plugin-mdx": "^3.8.1",
     "markdownlint-cli2": "^0.23.2",
-    "postcss": "^8.5.26",
+    "postcss": "^8.5.28",
     "remark-lint-frontmatter-validation": "^1.0.4",
     "start-server-and-test": "^3.0.12",
     "tailwindcss": "^4.3.3",