diff --git a/script/bootstrap.py b/script/bootstrap.py
index f3b2185ccf..fadc7a20bd 100755
--- a/script/bootstrap.py
+++ b/script/bootstrap.py
@@ -26,7 +26,7 @@ def main():
     enable_verbose_mode()
   if sys.platform == 'cygwin':
     update_win32_python()
-  # update_submodules()
+  update_submodules()
   update_node_modules('.')
   bootstrap_brightray(args.url)