diff --git a/readme.txt b/readme.txt
index 38762bb..74c4fed 100644
--- a/readme.txt
+++ b/readme.txt
@@ -2,7 +2,7 @@
 Contributors:      10up, jeffpaul, dkotter, akshitsethi, ritteshpatel, brentvr
 Tags:              sitemap, Google News
 Requires at least: 5.7
-Tested up to:      6.3
+Tested up to:      6.4
 Stable tag:        1.1.0
 Requires PHP:      7.4
 License:           GPLv2 or later