diff --git a/package-lock.json b/package-lock.json
index 0c39f064..2da2d6af 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2901,9 +2901,9 @@
       }
     },
     "typescript": {
-      "version": "3.9.7",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.7.tgz",
-      "integrity": "sha512-BLbiRkiBzAwsjut4x/dsibSTB6yWpwT5qWmC2OfuCg3GgVQCSgMs4vEctYPhsaGtd0AeuuHMkjZ2h2WG8MSzRw==",
+      "version": "4.2.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.2.4.tgz",
+      "integrity": "sha512-V+evlYHZnQkaz8TRBuxTA92yZBPotr5H+WhQ7bD3hZUndx5tGOa1fuCgeSjxAzM1RiN5IzvadIXTVefuuwZCRg==",
       "dev": true
     },
     "uglify-js": {
diff --git a/package.json b/package.json
index ca96058a..e5bf08cf 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,7 @@
     "ts-loader": "^6.2.1",
     "ts-node": "^8.5.4",
     "typedoc": "^0.16.9",
-    "typescript": "^3.7.2"
+    "typescript": "^4.2.4"
   },
   "dependencies": {
     "async-rwlock": "^1.1.1",