diff --git a/package-lock.json b/package-lock.json
index 0b003f1..598d454 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20,7 +20,7 @@
         "prettier": "3.6.2",
         "prettier-plugin-astro": "0.14.1",
         "start-server-and-test": "^2.0.13",
-        "typescript": "5.8.3"
+        "typescript": "5.9.2"
       }
     },
     "node_modules/@astrojs/check": {
@@ -48,13 +48,6 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/@astrojs/internal-helpers": {
-      "version": "0.6.1",
-      "resolved": "https://registry.npmjs.org/@astrojs/internal-helpers/-/internal-helpers-0.6.1.tgz",
-      "integrity": "sha512-l5Pqf6uZu31aG+3Lv8nl/3s4DbUzdlxTWDof4pEpto6GUJNhhCbelVi9dEyurOVyqaelwmS9oSyOWOENSfgo9A==",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/@astrojs/language-server": {
       "version": "2.15.4",
       "resolved": "https://registry.npmjs.org/@astrojs/language-server/-/language-server-2.15.4.tgz",
@@ -7426,10 +7419,11 @@
       "dev": true
     },
     "node_modules/typescript": {
-      "version": "5.8.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.8.3.tgz",
-      "integrity": "sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==",
+      "version": "5.9.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.2.tgz",
+      "integrity": "sha512-CWBzXQrc/qOkhidw1OzBTQuYRbfyxDXJMVJ1XNwUHGROVmuaeiEm3OslpZ1RV96d7SKKjZKrSJu3+t/xlw3R9A==",
       "dev": true,
+      "license": "Apache-2.0",
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
diff --git a/package.json b/package.json
index f590dfa..23ec622 100644
--- a/package.json
+++ b/package.json
@@ -28,6 +28,6 @@
     "prettier": "3.6.2",
     "prettier-plugin-astro": "0.14.1",
     "start-server-and-test": "^2.0.13",
-    "typescript": "5.8.3"
+    "typescript": "5.9.2"
   }
 }