diff --git a/README.md b/README.md
index 4c51cb7..72fafed 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@
 * Contributors:      Stefan Kalscheuer
 * Tags:              liveticker, feed, rss
 * Requires at least: 4.0
-* Tested up to:      5.5
+* Tested up to:      5.7
 * Requires PHP:      5.6
 * Stable tag:        1.1.0
 * License:           GPLv2 or later