diff --git a/readme.txt b/readme.txt
index 5318011..f8c3e2c 100644
--- a/readme.txt
+++ b/readme.txt
@@ -1,8 +1,8 @@
 === Simple Tabs Block ===
 Contributors: cloudcatch, dkjensen
 Tags: tabs, tab, block
-Requires at least: 5.9
-Tested up to: 6.2.2
+Requires at least: 6.4
+Tested up to: 6.4.1
 Requires PHP: 7.0
 Stable tag: 0.0.0-development
 License: GPL-2.0-or-later
diff --git a/simple-tabs-block.php b/simple-tabs-block.php
index 6525e51..9bf4052 100644
--- a/simple-tabs-block.php
+++ b/simple-tabs-block.php
@@ -2,7 +2,7 @@
 /**
  * Plugin Name:       Simple Tabs Block
  * Description:       Create rich tabbed layouts to organize information in a simple way using Simple Tabs Block
- * Requires at least: 5.9
+ * Requires at least: 6.4
  * Requires PHP:      7.0
  * Version:           0.0.0-development
  * Author:            CloudCatch LLC