diff --git a/package-lock.json b/package-lock.json
index d790126a4..ae45c6aa8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20919,9 +20919,9 @@
       }
     },
     "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
     },
     "uc.micro": {
diff --git a/package.json b/package.json
index cae9ef6e2..06838acdc 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
     "markdownlint-cli": "^0.24.0",
     "push-dir": "^0.4.1",
     "ts-jest": "^26.4.1",
-    "typescript": "^3.9.7",
+    "typescript": "^4.2.4",
     "vue-template-compiler": "^2.6.11"
   }
 }