diff --git a/extensions/package.json b/extensions/package.json
index ad30699b786..8b5e2927d40 100644
--- a/extensions/package.json
+++ b/extensions/package.json
@@ -3,9 +3,9 @@
   "version": "0.0.1",
   "description": "Dependencies shared by all extensions",
   "dependencies": {
-    "typescript": "2.7.0-insiders.20180108"
+    "typescript": "2.7.0-insiders.20180117"
   },
   "scripts": {
     "postinstall": "node ./postinstall"
   }
-}
+}
\ No newline at end of file
diff --git a/extensions/yarn.lock b/extensions/yarn.lock
index 64815a3eb3f..bb38c8b58be 100644
--- a/extensions/yarn.lock
+++ b/extensions/yarn.lock
@@ -2,6 +2,6 @@
 # yarn lockfile v1
 
 
-typescript@2.7.0-insiders.20180108:
-  version "2.7.0-insiders.20180108"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.7.0-insiders.20180108.tgz#b9230ca5a0020e92133f63e6a4272f8c1b301bdb"
+typescript@2.7.0-insiders.20180117:
+  version "2.7.0-insiders.20180117"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.7.0-insiders.20180117.tgz#01761dd795e6ad1d6a11a1e898c9b14d068d0097"