diff --git a/package-lock.json b/package-lock.json
index 85d754d6..81e5ef2b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13454,9 +13454,9 @@
       }
     },
     "typescript": {
-      "version": "4.3.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.4.tgz",
-      "integrity": "sha512-uauPG7XZn9F/mo+7MrsRjyvbxFpzemRjKEZXS4AK83oP2KKOJPvb+9cO/gmnv8arWZvhnjVOXz7B49m1l0e9Ew==",
+      "version": "4.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.9.3.tgz",
+      "integrity": "sha512-CIfGzTelbKNEnLpLdGFgdyKhG23CKdKgQPOBc+OUNrkJ2vr+KSzsSV5kq5iWhEQbok+quxgGzrAtGWCyU7tHnA==",
       "dev": true
     },
     "umd": {
diff --git a/package.json b/package.json
index 00163197..87231829 100644
--- a/package.json
+++ b/package.json
@@ -70,7 +70,7 @@
     "reveal.js": "4.1.0",
     "start-server-and-test": "1.12.1",
     "tsify": "4.0.1",
-    "typescript": "4.3.4",
+    "typescript": "4.9.3",
     "vite": "2.0.4"
   },
   "engines": {