diff --git a/extensions/package.json b/extensions/package.json
index 5bae29c69d9..c79d82c5547 100644
--- a/extensions/package.json
+++ b/extensions/package.json
@@ -4,7 +4,7 @@
   "license": "MIT",
   "description": "Dependencies shared by all extensions",
   "dependencies": {
-    "typescript": "^4.3.0-dev.20210503"
+    "typescript": "4.3.0-dev.20210505"
   },
   "scripts": {
     "postinstall": "node ./postinstall"
diff --git a/extensions/yarn.lock b/extensions/yarn.lock
index 1d9bb01ff84..b5c2301b842 100644
--- a/extensions/yarn.lock
+++ b/extensions/yarn.lock
@@ -24,10 +24,10 @@ fast-plist@0.1.2:
   resolved "https://registry.yarnpkg.com/fast-plist/-/fast-plist-0.1.2.tgz#a45aff345196006d406ca6cdcd05f69051ef35b8"
   integrity sha1-pFr/NFGWAG1AbKbNzQX2kFHvNbg=
 
-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==
+typescript@4.3.0-dev.20210505:
+  version "4.3.0-dev.20210505"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.3.0-dev.20210505.tgz#e07b21e12e1768ee3a3dab04b0264da4d10a8d96"
+  integrity sha512-nwD0tapmG8DX8GLBeDCEYqiYjj5hMUB4eXiw7Z4MYkjlAD1VQ0gJAaf7BKkGRU5PpuDFGYH+elqgJckggKVW/A==
 
 vscode-grammar-updater@^1.0.3:
   version "1.0.3"