diff --git a/package-lock.json b/package-lock.json
index c41153c..05cbeb3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1318,9 +1318,9 @@
       "integrity": "sha512-OdjXJxnCN1AvyLSzeKIgXTXxV+99ZuXl3Hpo9XpJAv9MBcHrrJOQ5kV7ypXOuQie+AmWG25hLbiKdwYTifzcfQ=="
     },
     "typescript": {
-      "version": "3.9.6",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.6.tgz",
-      "integrity": "sha512-Pspx3oKAPJtjNwE92YS05HQoY7z2SFyOpHo9MqJor3BXAGNaPUs83CuVp9VISFkSjyRfiTpmKuAYGJB7S7hOxw==",
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.0.3.tgz",
+      "integrity": "sha512-tEu6DGxGgRJPb/mVPIZ48e69xCn2yRmCgYmDugAVwmJ6o+0u1RI18eO7E7WBTLYLaEVVOhwQmcdhQHweux/WPg==",
       "dev": true
     },
     "which": {
diff --git a/package.json b/package.json
index 34c3697..b57eab9 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "prettier": "2.1.2",
     "ts-node": "^9.0.0",
     "tsc-watch": "^4.2.9",
-    "typescript": "^3.9.6"
+    "typescript": "^4.0.3"
   },
   "scripts": {
     "build": "tsc && npm prune --production",