diff --git a/Release-Testing-Instructions-WooCommerce-5.3.md b/Release-Testing-Instructions-WooCommerce-5.3.md
index 9184446..1ccea1d 100644
--- a/Release-Testing-Instructions-WooCommerce-5.3.md
+++ b/Release-Testing-Instructions-WooCommerce-5.3.md
@@ -2,18 +2,26 @@ WooCommerce 5.3 includes:
 
 - [WooCommerce Admin Updates:](https://github.com/woocommerce/woocommerce/wiki/Release-Testing-Instructions-WooCommerce-5.3#woocommerce-admin-updates)
 - [WooCommerce Product Blocks Updates:](https://github.com/woocommerce/woocommerce/wiki/Release-Testing-Instructions-WooCommerce-5.3#woocommerce-product-blocks-updates)
+  - [Blocks 4.9.0](https://github.com/woocommerce/woocommerce/wiki/Release-Testing-Instructions-WooCommerce-5.3#blocks-490)
+  - [Blocks 4.9.1](https://github.com/woocommerce/woocommerce/wiki/Release-Testing-Instructions-WooCommerce-5.3#blocks-491)
 - [WooCommerce Core Updates:](https://github.com/woocommerce/woocommerce/wiki/Release-Testing-Instructions-WooCommerce-5.3#woocommerce-core-updates)
 
 
 ## WooCommerce Admin Updates:
 
-TBC
 
 ***
 
 ## WooCommerce Product Blocks Updates:
 
-TBC
+When using the testing instructions below, test only those cases presented in the section called "Feature plugin and package inclusion in WooCommerce core". There is no need to test cases in the "Feature plugin only" section since they are not a part of WooCommerce Core.
+
+#### Blocks 4.9.0
+- [Testing instructions](https://github.com/woocommerce/woocommerce-gutenberg-products-block/blob/trunk/docs/testing/releases/490.md)
+
+#### Blocks 4.9.1
+- [Testing instructions](https://github.com/woocommerce/woocommerce-gutenberg-products-block/blob/trunk/docs/testing/releases/410.md)
+
 
 ***