diff --git a/README.md b/README.md
index 9321a45..0e5d07b 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@
 * Contributors:      Stefan Kalscheuer
 * Tags:              liveticker, feed, rss
 * Requires at least: 4.0
-* Tested up to:      5.2
+* Tested up to:      5.3
 * Requires PHP:      5.2
 * Stable tag:        1.0.0
 * License:           GPLv2 or later