diff --git a/extensions/typescript/package.json b/extensions/typescript/package.json
index 03a3b588e3d..a812350c062 100644
--- a/extensions/typescript/package.json
+++ b/extensions/typescript/package.json
@@ -36,6 +36,7 @@
     "onCommand:typescript.selectTypeScriptVersion"
   ],
   "main": "./out/typescriptMain",
+  "enableProposedApi": true,
   "contributes": {
     "languages": [
       {