diff --git a/readme.txt b/readme.txt
index 7069e38..953dbbe 100644
--- a/readme.txt
+++ b/readme.txt
@@ -95,6 +95,7 @@ Release date: 2024-MM-DD
 Find out about what's new in our [our release post](https://gtmkit.com/gtm-kit-1-20/).
 
 #### Enhancements:
+* Added support for the 'new_customer' parameter on the 'purchase' event, which is used for customer acquisition reporting and Google Smart Shopping campaigns.
 * Added a debug log for debugging the 'purchase' event without make a purchase.
 
 #### Bugfixes:
diff --git a/src/Integration/WooCommerce.php b/src/Integration/WooCommerce.php
index 7146748..fd6ae44 100644
--- a/src/Integration/WooCommerce.php
+++ b/src/Integration/WooCommerce.php
@@ -8,6 +8,7 @@
 
 namespace TLA_Media\GTM_Kit\Integration;
 
+use Automattic\WooCommerce\Admin\API\Reports\Orders\Stats\DataStore;
 use Automattic\WooCommerce\StoreApi\StoreApi;
 use Automattic\WooCommerce\StoreApi\Schemas\ExtendSchema;
 use Automattic\WooCommerce\StoreApi\Schemas\V1\CartItemSchema;
@@ -561,14 +562,15 @@ public function get_purchase_event( WC_Order $order, array $data_layer = [] ): a
 			$order_value -= $shipping_total;
 		}
 
-		$data_layer['event']     = 'purchase';
-		$data_layer['ecommerce'] = [
+		$data_layer['event']        = 'purchase';
+		$data_layer['ecommerce']    = [
 			'transaction_id' => (string) $order->get_order_number(),
 			'value'          => (float) $order_value,
 			'tax'            => (float) $order->get_total_tax(),
 			'shipping'       => (float) $shipping_total,
 			'currency'       => $order->get_currency(),
 		];
+		$data_layer['new_customer'] = ! DataStore::is_returning_customer( $order );
 
 		$coupons = $order->get_coupon_codes();