diff --git a/package-lock.json b/package-lock.json
index 2ca40d7..576ac79 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "0.0.1-dev",
       "license": "MIT",
       "devDependencies": {
-        "typescript": "^4.6.2",
+        "typescript": "^4.9.4",
         "vuepress": "^2.0.0-beta.36"
       }
     },
@@ -2997,9 +2997,9 @@
       "dev": true
     },
     "node_modules/typescript": {
-      "version": "4.6.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.6.2.tgz",
-      "integrity": "sha512-HM/hFigTBHZhLXshn9sN37H085+hQGeJHJ/X7LpBWLID/fbc2acUMfU+lGD98X81sKP+pFa9f0DZmCwB9GnbAg==",
+      "version": "4.9.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.9.4.tgz",
+      "integrity": "sha512-Uz+dTXYzxXXbsFpM86Wh3dKCxrQqUcVMxwU54orwlJjOpO3ao8L7j5lH+dWfTwgCwIuM9GQ2kvVotzYJMXTBZg==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -5788,9 +5788,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "4.6.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.6.2.tgz",
-      "integrity": "sha512-HM/hFigTBHZhLXshn9sN37H085+hQGeJHJ/X7LpBWLID/fbc2acUMfU+lGD98X81sKP+pFa9f0DZmCwB9GnbAg==",
+      "version": "4.9.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.9.4.tgz",
+      "integrity": "sha512-Uz+dTXYzxXXbsFpM86Wh3dKCxrQqUcVMxwU54orwlJjOpO3ao8L7j5lH+dWfTwgCwIuM9GQ2kvVotzYJMXTBZg==",
       "dev": true
     },
     "uc.micro": {
diff --git a/package.json b/package.json
index 4c1b94a..46844b5 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
     "build": "vuepress build src"
   },
   "devDependencies": {
-    "typescript": "^4.6.2",
+    "typescript": "^4.9.4",
     "vuepress": "^2.0.0-beta.36"
   },
   "keywords": [