diff --git a/readme.txt b/readme.txt
index bac7189a..733a0231 100644
--- a/readme.txt
+++ b/readme.txt
@@ -4,7 +4,7 @@ Contributors: automattic
 Tags: translation-ready, custom-background, theme-options, custom-menu, post-formats, threaded-comments
 
 Requires at least: 4.0
-Tested up to: 4.4.2
+Tested up to: 4.5.3
 Stable tag: 1.0.0
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html