diff --git a/readme.txt b/readme.txt
index e8600fc3..c1718449 100644
--- a/readme.txt
+++ b/readme.txt
@@ -1,7 +1,8 @@
 === Safe SVG ===
 Contributors:      10up, enshrined, jeffpaul
 Tags:              svg, security, media, vector, mime
-Tested up to:      6.5
+Tested up to:      6.6
+Requires at least: 6.4
 Stable tag:        2.2.5
 License:           GPL-2.0-or-later
 License URI:       https://spdx.org/licenses/GPL-2.0-or-later.html