diff --git a/package.json b/package.json
index a9c0fb71..82257bbc 100644
--- a/package.json
+++ b/package.json
@@ -276,7 +276,7 @@
     "ts-jest": "^26.4.0",
     "ts-loader": "^8.0.4",
     "ttfinfo": "^0.2.0",
-    "typescript": "^3.9.7",
+    "typescript": "^4.0.3",
     "url-loader": "^4.1.0",
     "vue-html-loader": "^1.2.4",
     "vue-loader": "^15.9.3",
diff --git a/yarn.lock b/yarn.lock
index 40402b67..46ed5ff2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -12751,11 +12751,16 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@3.9.7, typescript@^3.9.7:
+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@^4.0.3:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.0.3.tgz#153bbd468ef07725c1df9c77e8b453f8d36abba5"
+  integrity sha512-tEu6DGxGgRJPb/mVPIZ48e69xCn2yRmCgYmDugAVwmJ6o+0u1RI18eO7E7WBTLYLaEVVOhwQmcdhQHweux/WPg==
+
 uglify-js@2.6.x:
   version "2.6.4"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.6.4.tgz#65ea2fb3059c9394692f15fed87c2b36c16b9adf"