diff --git a/package.json b/package.json
index bb2b3940..7bfc3736 100644
--- a/package.json
+++ b/package.json
@@ -92,7 +92,7 @@
     "tslint-config-prettier": "^1.13.0",
     "tslint-eslint-rules": "^5.3.1",
     "tslint-react": "^5.0.0",
-    "typescript": "^3.9.7",
+    "typescript": "^4.0.3",
     "url-loader": "^4.1.0",
     "webln": "0.2.2",
     "webpack": "4.44.2",
diff --git a/yarn.lock b/yarn.lock
index 0b1d86dc..6355018b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8618,10 +8618,10 @@ typescript-tuple@^2.2.1:
   dependencies:
     typescript-compare "^0.0.2"
 
-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==
 
 ua-parser-js@^0.7.18:
   version "0.7.20"