diff --git a/package-lock.json b/package-lock.json
index a50f259..f9dd37b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6590,9 +6590,9 @@
       }
     },
     "typescript": {
-      "version": "3.9.10",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.10.tgz",
-      "integrity": "sha512-w6fIxVE/H1PkLKcCPsFqKE7Kv7QUwhU8qQY2MueZXWx5cPZdwFupLgKK3vntcK98BtNHZtAF4LA/yl2a7k8R6Q==",
+      "version": "4.3.5",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.5.tgz",
+      "integrity": "sha512-DqQgihaQ9cUrskJo9kIyW/+g0Vxsk8cDtZ52a3NGh0YNTfpUSArXSohyUGnvbPazEPLu398C0UxmKSOrPumUzA==",
       "dev": true
     },
     "union-value": {
diff --git a/package.json b/package.json
index dae34b1..c5a7bb4 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "prettier": "2.3.2",
     "ts-jest": "26.5.6",
     "ts-node": "10.1.0",
-    "typescript": "3.9.10"
+    "typescript": "4.3.5"
   },
   "engines": {
     "node": ">=8.0.0"