diff --git a/readme.md b/readme.md
index d17574b..c66bb44 100644
--- a/readme.md
+++ b/readme.md
@@ -3,7 +3,7 @@
 **Donate link:** https://notiz.blog/donate/  
 **Tags:** webmention, pingback, trackback, linkback, indieweb  
 **Requires at least:** 4.9  
-**Tested up to:** 6.5  
+**Tested up to:** 6.6  
 **Stable tag:** 5.3.2  
 **Requires PHP:** 5.6  
 **License:** MIT  
diff --git a/readme.txt b/readme.txt
index 7bb40f0..e572595 100755
--- a/readme.txt
+++ b/readme.txt
@@ -3,7 +3,7 @@ Contributors: pfefferle, dshanske
 Donate link: https://notiz.blog/donate/
 Tags: webmention, pingback, trackback, linkback, indieweb
 Requires at least: 4.9
-Tested up to: 6.5
+Tested up to: 6.6
 Stable tag: 5.3.2
 Requires PHP: 5.6
 License: MIT