diff --git a/package-lock.json b/package-lock.json
index 9ca87a1..b72f72b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5075,9 +5075,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "3.5.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.5.2.tgz",
-      "integrity": "sha512-7KxJovlYhTX5RaRbUdkAXN1KUZ8PwWlTzQdHV6xNqvuFOs7+WBo10TQUqT19Q/Jz2hk5v9TQDIhyLhhJY4p5AA==",
+      "version": "4.3.5",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.5.tgz",
+      "integrity": "sha512-DqQgihaQ9cUrskJo9kIyW/+g0Vxsk8cDtZ52a3NGh0YNTfpUSArXSohyUGnvbPazEPLu398C0UxmKSOrPumUzA==",
       "dev": true
     },
     "uglify-js": {
diff --git a/package.json b/package.json
index b238cd5..8c643c3 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "ts-jest": "^24.1.0",
     "ts-node": "^8.3.0",
     "tslint": "^5.17.0",
-    "typescript": "^3.5.2"
+    "typescript": "^4.3.5"
   },
   "dependencies": {
     "chalk": "^2.4.2",