diff --git a/package-lock.json b/package-lock.json
index 692ec6e..b5b4cfa 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1491,9 +1491,9 @@
       "dev": true
     },
     "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
     },
     "universalify": {
diff --git a/package.json b/package.json
index 75a61cf..4c55f32 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "prettier": "^2.0.5",
     "sourcemap-validator": "^2.1.0",
     "ts-node": "8",
-    "typescript": "^3.4.5"
+    "typescript": "^4.2.4"
   },
   "dependencies": {
     "css-modules-require-hook": "^4.2.3"