diff --git a/extensions/package.json b/extensions/package.json
index af0de2f6181..5945d54ec9d 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": "3.2.0-rc"
+    "typescript": "3.2.1-insiders.20181127"
   },
   "scripts": {
     "postinstall": "node ./postinstall"
diff --git a/extensions/yarn.lock b/extensions/yarn.lock
index 7dfb337bfd6..f7d280f7c83 100644
--- a/extensions/yarn.lock
+++ b/extensions/yarn.lock
@@ -2,7 +2,7 @@
 # yarn lockfile v1
 
 
-typescript@3.2.0-rc:
-  version "3.2.0-rc"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.2.0-rc.tgz#7c3816f1c761b096f4f1712382e872f4da8f263e"
-  integrity sha512-RgKDOpEdbU9dAkB4TzxWy46wiyNUKQo0NM0bB7WfvEFw50yu046ldQXpOUYMUTLIAHnToOCtHsu39MYE8o6NCw==
+typescript@3.2.1-insiders.20181127:
+  version "3.2.1-insiders.20181127"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.2.1-insiders.20181127.tgz#92d0fd5491fd67afe1f9ecdf892cabaa7f851f1b"
+  integrity sha512-E+ujgS5E/Z2GdMB7TQO7gwOfeGKvvRxvjif+BgjJhhrSV6iiwfFvYLiD/NRI/rR6/Og1PxQpbx7jxPQOjJ8gVQ==