diff --git a/readme.txt b/readme.txt
index 86c2f4a..ca77547 100644
--- a/readme.txt
+++ b/readme.txt
@@ -2,7 +2,7 @@
 Contributors: singpolyma, wnorris, pfefferle
 Tags: xrds, xrds-simple, discovery
 Requires at least: 2.1
-Tested up to: 6.5
+Tested up to: 6.6
 Stable tag: 1.2.1
 
 Provides framework for other plugins to advertise services via XRDS.