diff --git a/package.json b/package.json
index d60395ca..4f6ed69c 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "eslint-config-prettier": "6.10.1",
     "eslint-plugin-prettier": "3.1.3",
     "prettier": "2.0.4",
-    "typescript": "3.8.3"
+    "typescript": "4.3.5"
   },
   "eslintConfig": {
     "parser": "@typescript-eslint/parser",
diff --git a/yarn.lock b/yarn.lock
index b0793258..1749edfe 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1221,10 +1221,10 @@ type-fest@^0.8.1:
   resolved "https://registry.yarnpkg.com/type-fest/-/type-fest-0.8.1.tgz#09e249ebde851d3b1e48d27c105444667f17b83d"
   integrity sha512-4dbzIzqvjtgiM5rw1k5rEHtBANKmdudhGyBEajN01fEyhaAIhsoKNy6y7+IN93IfpFtwY9iqi7kD+xwKhQsNJA==
 
-typescript@3.8.3:
-  version "3.8.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.8.3.tgz#409eb8544ea0335711205869ec458ab109ee1061"
-  integrity sha512-MYlEfn5VrLNsgudQTVJeNaQFUAI7DkhnOjdpAp4T+ku1TfQClewlbSuTVHiA+8skNBgaf02TL/kLOvig4y3G8w==
+typescript@4.3.5:
+  version "4.3.5"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.3.5.tgz#4d1c37cc16e893973c45a06886b7113234f119f4"
+  integrity sha512-DqQgihaQ9cUrskJo9kIyW/+g0Vxsk8cDtZ52a3NGh0YNTfpUSArXSohyUGnvbPazEPLu398C0UxmKSOrPumUzA==
 
 universal-user-agent@^4.0.0:
   version "4.0.1"