diff --git a/package.json b/package.json
index d30d37e..be6c2bc 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
         "release-it": "12.3.2",
         "ts-jest": "24.0.2",
         "tslib": "1.10.0",
-        "typescript": "3.8.3"
+        "typescript": "4.3.5"
     },
     "dependencies": {
         "utils-error-reviver": "1.0.0",
diff --git a/yarn.lock b/yarn.lock
index cbec233..ffc020e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3977,10 +3977,10 @@ type-name@^2.0.0:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/type-name/-/type-name-2.0.2.tgz#efe7d4123d8ac52afff7f40c7e4dec5266008fb4"
 
-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==
 
 uglify-js@^3.1.4:
   version "3.7.5"