diff --git a/extensions/package.json b/extensions/package.json
index ed5fcecf4cb..cbdafd7231d 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": "3.6.2"
+    "typescript": "3.6.3-insiders.20190909"
   },
   "scripts": {
     "postinstall": "node ./postinstall"
diff --git a/extensions/yarn.lock b/extensions/yarn.lock
index 5368726a68d..f6ffdca517a 100644
--- a/extensions/yarn.lock
+++ b/extensions/yarn.lock
@@ -2,7 +2,7 @@
 # yarn lockfile v1
 
 
-typescript@3.6.2:
-  version "3.6.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.6.2.tgz#105b0f1934119dde543ac8eb71af3a91009efe54"
-  integrity sha512-lmQ4L+J6mnu3xweP8+rOrUwzmN+MRAj7TgtJtDaXE5PMyX2kCrklhg3rvOsOIfNeAWMQWO2F1GPc1kMD2vLAfw==
+typescript@3.6.3-insiders.20190909:
+  version "3.6.3-insiders.20190909"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.6.3-insiders.20190909.tgz#65b6b2d809288311a970819849e1964ac73e1fda"
+  integrity sha512-Lr7ONd8Y05EhrI+zKoI5tgvO5dhuRDrK5pyOLG33DeMln8zb8w7Yc8AoIEyqvxB5Btj9F7zBmXBXJdTI3SuX0Q==