diff --git a/plugin.php b/plugin.php
index c5c6362..17cd5eb 100644
--- a/plugin.php
+++ b/plugin.php
@@ -4,7 +4,7 @@
  * Plugin Name:   SimpleTOC - Table of Contents Block
  * Plugin URI:    https://marc.tv/simpletoc-wordpress-inhaltsverzeichnis-plugin-gutenberg/
  * Description:   SEO-friendly Table of Contents Gutenberg block. No JavaScript and no CSS means faster loading.
- * Version:       6.0.0
+ * Version:       6.0.1
  * Author:        Marc Tönsing
  * Author URI:    https://marc.tv
  * Text Domain:   simpletoc
diff --git a/readme.txt b/readme.txt
index 21ec553..5af43c8 100644
--- a/readme.txt
+++ b/readme.txt
@@ -4,7 +4,7 @@ Tags: Gutenberg, block, TOC, Table of Contents, AMP
 Requires at least: 5.9
 Donate link: https://marc.tv/out/donate
 Tested up to: 6.2
-Stable tag: 6.0.0
+Stable tag: 6.0.1
 Requires PHP: 7.0
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
@@ -50,6 +50,9 @@ SimpleTOC is open-source and developed on [GitHub Pages](https://github.com/mtoe
 
 == Changelog ==
 
+= 6.0.1 =
+* Fix: "Update failed" with error 500 when Rank Math is installed.  
+
 = 6.0.0 =
 * Feature: Added SimpleTOC global settings to override individual block configuration. 
 * Fix: Better output with well-formed HTML and consistent double quotation marks.