diff --git a/package.json b/package.json
index 452b94b5e13..c702f4d6b29 100644
--- a/package.json
+++ b/package.json
@@ -21,6 +21,7 @@
     "update-grammars": "node build/npm/update-all-grammars.js",
     "update-localization-extension": "node build/npm/update-localization-extension.js",
     "smoketest": "cd test/smoke && node test/index.js",
+    "download-builtin-extensions": "node build/lib/builtInExtensions.js",
     "monaco-compile-check": "tsc -p src/tsconfig.monaco.json --noEmit"
   },
   "dependencies": {