diff --git a/readme.txt b/readme.txt
index e23fdab..d85f7aa 100644
--- a/readme.txt
+++ b/readme.txt
@@ -3,7 +3,7 @@ Contributors: edwardbock
 Donate link: http://palasthotel.de/
 Tags: cache, performance
 Requires at least: 5.0
-Tested up to: 5.3
+Tested up to: 5.3.1
 Stable tag: 1.0.0
 License: GPLv3
 License URI: http://www.gnu.org/licenses/gpl