diff --git a/block-catalog.php b/block-catalog.php
index e5924d0..6de7c3e 100755
--- a/block-catalog.php
+++ b/block-catalog.php
@@ -3,7 +3,7 @@
  * Plugin Name:       Block Catalog
  * Description:       Easily keep track of which Gutenberg Blocks are used across your site.
  * Version:           1.6.0
- * Requires at least: 6.3
+ * Requires at least: 6.4
  * Requires PHP:      7.4
  * Author:            10up
  * Author URI:        https://10up.com
diff --git a/readme.txt b/readme.txt
index 5069f58..d1b1019 100644
--- a/readme.txt
+++ b/readme.txt
@@ -1,7 +1,7 @@
 === Block Catalog ===
 Contributors:      10up, dsawardekar, dkotter, jeffpaul
 Tags:              gutenberg, developer, blocks, custom blocks
-Tested up to:      6.5
+Tested up to:      6.6
 Stable tag:        1.6.0
 License:           GPL-2.0-or-later
 License URI:       https://spdx.org/licenses/GPL-2.0-or-later.html