diff --git a/build/package.json b/build/package.json
index cd119a5f7a5..6b7cb2206c2 100644
--- a/build/package.json
+++ b/build/package.json
@@ -52,7 +52,7 @@
     "p-limit": "^3.1.0",
     "plist": "^3.0.1",
     "source-map": "0.6.1",
-    "typescript": "^4.3.0-dev.20210426",
+    "typescript": "^4.3.0-dev.20210503",
     "vsce": "1.48.0",
     "vscode-universal": "deepak1556/universal#61454d96223b774c53cda10f72c2098c0ce02d58"
   },
diff --git a/build/yarn.lock b/build/yarn.lock
index 38b1f00fd78..01f0fc51ce6 100644
--- a/build/yarn.lock
+++ b/build/yarn.lock
@@ -1884,10 +1884,10 @@ typescript@^4.1.3:
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.1.3.tgz#519d582bd94cba0cf8934c7d8e8467e473f53bb7"
   integrity sha512-B3ZIOf1IKeH2ixgHhj6la6xdwR9QrLC5d1VKeCSY4tvkqhF2eqd9O7txNlS0PO3GrBAFIdr3L1ndNwteUbZLYg==
 
-typescript@^4.3.0-dev.20210426:
-  version "4.3.0-dev.20210426"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.3.0-dev.20210426.tgz#00198cb8828f6a04b4e0ae32554a486bf7137a53"
-  integrity sha512-8YTqlzf3w8O8XwnnRlwRV2rswu7V7WEPUnAnH1BPPMrr06thNByMjIadA5SDW3tUJc1MG8Uj3NgZYocU5fWTVg==
+typescript@^4.3.0-dev.20210503:
+  version "4.3.0-dev.20210503"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.3.0-dev.20210503.tgz#0a3eb480676effd4975beb5a2f097530ed53550a"
+  integrity sha512-Gj3TQve5PLCZoPBy96Yp6Y3+jNLmms0i3ynhxEJAKgax7Fxui29/uG/DClbBtKz1peNhzXwikXVFFAV1BB/3mw==
 
 uc.micro@^1.0.1, uc.micro@^1.0.5:
   version "1.0.5"
diff --git a/package.json b/package.json
index c16a1450d63..89e90e9cf8f 100644
--- a/package.json
+++ b/package.json
@@ -192,7 +192,7 @@
     "style-loader": "^1.0.0",
     "ts-loader": "^6.2.1",
     "tsec": "0.1.4",
-    "typescript": "^4.3.0-dev.20210426",
+    "typescript": "^4.3.0-dev.20210503",
     "typescript-formatter": "7.1.0",
     "underscore": "^1.8.2",
     "vinyl": "^2.0.0",
diff --git a/yarn.lock b/yarn.lock
index 10ea4a36abf..0cf5d054862 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9545,10 +9545,10 @@ typescript@^2.6.2:
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.6.2.tgz#3c5b6fd7f6de0914269027f03c0946758f7673a4"
   integrity sha1-PFtv1/beCRQmkCfwPAlGdY92c6Q=
 
-typescript@^4.3.0-dev.20210426:
-  version "4.3.0-dev.20210426"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.3.0-dev.20210426.tgz#00198cb8828f6a04b4e0ae32554a486bf7137a53"
-  integrity sha512-8YTqlzf3w8O8XwnnRlwRV2rswu7V7WEPUnAnH1BPPMrr06thNByMjIadA5SDW3tUJc1MG8Uj3NgZYocU5fWTVg==
+typescript@^4.3.0-dev.20210503:
+  version "4.3.0-dev.20210503"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.3.0-dev.20210503.tgz#0a3eb480676effd4975beb5a2f097530ed53550a"
+  integrity sha512-Gj3TQve5PLCZoPBy96Yp6Y3+jNLmms0i3ynhxEJAKgax7Fxui29/uG/DClbBtKz1peNhzXwikXVFFAV1BB/3mw==
 
 typical@^4.0.0:
   version "4.0.0"