diff --git a/package-lock.json b/package-lock.json
index f608730..8962c97 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -66,7 +66,7 @@
         "ts-jest": "^26.5.4",
         "ts-loader": "^9.0.0",
         "typedoc": "^0.22.10",
-        "typescript": "4.3",
+        "typescript": "4.9",
         "web-streams-polyfill": "^3.0.2",
         "webpack": "^5.26.3",
         "webpack-cli": "^4.5.0"
@@ -27683,9 +27683,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "4.3.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.5.tgz",
-      "integrity": "sha512-DqQgihaQ9cUrskJo9kIyW/+g0Vxsk8cDtZ52a3NGh0YNTfpUSArXSohyUGnvbPazEPLu398C0UxmKSOrPumUzA==",
+      "version": "4.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.9.3.tgz",
+      "integrity": "sha512-CIfGzTelbKNEnLpLdGFgdyKhG23CKdKgQPOBc+OUNrkJ2vr+KSzsSV5kq5iWhEQbok+quxgGzrAtGWCyU7tHnA==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -50492,9 +50492,9 @@
       }
     },
     "typescript": {
-      "version": "4.3.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.5.tgz",
-      "integrity": "sha512-DqQgihaQ9cUrskJo9kIyW/+g0Vxsk8cDtZ52a3NGh0YNTfpUSArXSohyUGnvbPazEPLu398C0UxmKSOrPumUzA==",
+      "version": "4.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.9.3.tgz",
+      "integrity": "sha512-CIfGzTelbKNEnLpLdGFgdyKhG23CKdKgQPOBc+OUNrkJ2vr+KSzsSV5kq5iWhEQbok+quxgGzrAtGWCyU7tHnA==",
       "dev": true
     },
     "uglify-es": {
diff --git a/package.json b/package.json
index 111b8c5..9de2a50 100644
--- a/package.json
+++ b/package.json
@@ -89,7 +89,7 @@
     "ts-jest": "^26.5.4",
     "ts-loader": "^9.0.0",
     "typedoc": "^0.22.10",
-    "typescript": "4.3",
+    "typescript": "4.9",
     "web-streams-polyfill": "^3.0.2",
     "webpack": "^5.26.3",
     "webpack-cli": "^4.5.0"