diff --git a/package.json b/package.json
index 6080cca0..35e2c105 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
         "eslint-plugin-github": "^4.1.1",
         "eslint-plugin-jest": "^23.20.0",
         "js-yaml": "^3.14.0",
+        "typescript": "^4.0.2"
         "prettier": "2.1.1",
-        "typescript": "^3.9.7"
     }
 }
diff --git a/yarn.lock b/yarn.lock
index ba50da6a..463fa665 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1372,10 +1372,10 @@ 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@^3.9.7:
-  version "3.9.7"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.7.tgz#98d600a5ebdc38f40cb277522f12dc800e9e25fa"
-  integrity sha512-BLbiRkiBzAwsjut4x/dsibSTB6yWpwT5qWmC2OfuCg3GgVQCSgMs4vEctYPhsaGtd0AeuuHMkjZ2h2WG8MSzRw==
+typescript@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.0.2.tgz#7ea7c88777c723c681e33bf7988be5d008d05ac2"
+  integrity sha512-e4ERvRV2wb+rRZ/IQeb3jm2VxBsirQLpQhdxplZ2MEzGvDkkMmPglecnNDfSUBivMjP93vRbngYYDQqQ/78bcQ==
 
 uri-js@^4.2.2:
   version "4.2.2"