diff --git a/package.json b/package.json
index 84f34d9..3071f71 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "rimraf": "2.7.1",
     "semantic-release": "15.14.0",
     "ts-jest": "24.3.0",
-    "typescript": "3.9.7"
+    "typescript": "4.1.3"
   },
   "publishConfig": {
     "access": "public"
diff --git a/yarn.lock b/yarn.lock
index 1c82163..343c918 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6689,10 +6689,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@3.9.7:
-  version "3.9.7"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.7.tgz#98d600a5ebdc38f40cb277522f12dc800e9e25fa"
-  integrity sha512-BLbiRkiBzAwsjut4x/dsibSTB6yWpwT5qWmC2OfuCg3GgVQCSgMs4vEctYPhsaGtd0AeuuHMkjZ2h2WG8MSzRw==
+typescript@4.1.3:
+  version "4.1.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.1.3.tgz#519d582bd94cba0cf8934c7d8e8467e473f53bb7"
+  integrity sha512-B3ZIOf1IKeH2ixgHhj6la6xdwR9QrLC5d1VKeCSY4tvkqhF2eqd9O7txNlS0PO3GrBAFIdr3L1ndNwteUbZLYg==
 
 uglify-js@^2.6:
   version "2.8.29"