diff --git a/extensions/package.json b/extensions/package.json
index 05bd5d08292..9d944cd3ec7 100644
--- a/extensions/package.json
+++ b/extensions/package.json
@@ -3,7 +3,7 @@
   "version": "0.0.1",
   "description": "Dependencies shared by all extensions",
   "dependencies": {
-    "typescript": "3.2.2"
+    "typescript": "3.3.0-dev.20190101"
   },
   "scripts": {
     "postinstall": "node ./postinstall"
diff --git a/extensions/yarn.lock b/extensions/yarn.lock
index b5e82fef80f..4e2a9131776 100644
--- a/extensions/yarn.lock
+++ b/extensions/yarn.lock
@@ -2,7 +2,7 @@
 # yarn lockfile v1
 
 
-typescript@3.2.2:
-  version "3.2.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.2.2.tgz#fe8101c46aa123f8353523ebdcf5730c2ae493e5"
-  integrity sha512-VCj5UiSyHBjwfYacmDuc/NOk4QQixbE+Wn7MFJuS0nRuPQbof132Pw4u53dm264O8LPc2MVsc7RJNml5szurkg==
+typescript@3.3.0-dev.20190101:
+  version "3.3.0-dev.20190101"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.3.0-dev.20190101.tgz#2eecb7a9c6c63d447615b6e6b2d6e648cfdc4caa"
+  integrity sha512-pmpqjyS64DIfnCJ8XGFXlTC+g3hCud69EYEudjS/alwlVx2qedQedY36ASHPRopiZxJcwHCkM/CypDiQtfQZVw==