diff --git a/extensions/checkout-time/shopify.extension.toml b/extensions/checkout-time/shopify.extension.toml
index 4a8497d..b21e917 100644
--- a/extensions/checkout-time/shopify.extension.toml
+++ b/extensions/checkout-time/shopify.extension.toml
@@ -3,6 +3,7 @@ api_version = "2026-01"
 [[extensions]]
 name = "Datewise: chosen time"
 handle = "datewise-checkout-time"
+uid = "62087160-6bf2-3779-503b-4954cde3a7cf36f65446"
 type = "ui_extension"
 
   # Thank-you page: all plans. Renders automatically (static target).