diff --git a/package.json b/package.json
index 683b4d69..93a619c3 100644
--- a/package.json
+++ b/package.json
@@ -62,7 +62,7 @@
     "playwright-core": "^0.11.1",
     "source-map-loader": "^1.0.2",
     "ts-loader": "^8.0.3",
-    "typescript": "3.9",
+    "typescript": "4.0",
     "utf8": "^3.0.0",
     "webpack": "^4.44.1",
     "webpack-cli": "^3.3.12",
diff --git a/yarn.lock b/yarn.lock
index 7fa4798d..a3e3dbe2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5569,7 +5569,12 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@3.9, typescript@^3.5.1:
+typescript@4.0:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.0.2.tgz#7ea7c88777c723c681e33bf7988be5d008d05ac2"
+  integrity sha512-e4ERvRV2wb+rRZ/IQeb3jm2VxBsirQLpQhdxplZ2MEzGvDkkMmPglecnNDfSUBivMjP93vRbngYYDQqQ/78bcQ==
+
+typescript@^3.5.1:
   version "3.9.7"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.7.tgz#98d600a5ebdc38f40cb277522f12dc800e9e25fa"
   integrity sha512-BLbiRkiBzAwsjut4x/dsibSTB6yWpwT5qWmC2OfuCg3GgVQCSgMs4vEctYPhsaGtd0AeuuHMkjZ2h2WG8MSzRw==