diff --git a/README.txt b/README.txt
index e80f1559..6d16536a 100644
--- a/README.txt
+++ b/README.txt
@@ -7,7 +7,7 @@ Tested up to: 6.5
 Stable tag: 4.0.2
 Requires PHP: 7.4
 WC requires at least: 4.2
-WC tested up to: 8.8
+WC tested up to: 8.9
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
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