diff --git a/query-monitor-extend.php b/query-monitor-extend.php
index 6d007f5..c72c25a 100644
--- a/query-monitor-extend.php
+++ b/query-monitor-extend.php
@@ -9,13 +9,13 @@
  * Update URI: false
  * Requires Plugins: query-monitor
  *
- * QM tested up to: 3.16.3
+ * QM tested up to: 3.16.4
  */
 
 defined( 'WPINC' ) || die();
 
 defined( 'QMX_DISABLED' ) || define( 'QMX_DISABLED', false );
-defined( 'QMX_TESTED_WITH_QM' ) || define( 'QMX_TESTED_WITH_QM', '3.16.3' );
+defined( 'QMX_TESTED_WITH_QM' ) || define( 'QMX_TESTED_WITH_QM', '3.16.4' );
 
 if ( defined( 'QM_DISABLED' ) && constant( 'QM_DISABLED' ) ) {
 	return;
diff --git a/readme.md b/readme.md
index 9f64271..4f628e0 100644
--- a/readme.md
+++ b/readme.md
@@ -1,5 +1,5 @@
 ![WP tested 6.6.1](https://img.shields.io/badge/WP-Tested_v6.6.1-blue)
-![QM tested up to 3.16.3](https://img.shields.io/badge/QM-Tested_v3.16.3-blue)
+![QM tested up to 3.16.4](https://img.shields.io/badge/QM-Tested_v3.16.4-blue)
 ![License: GPL v3](https://img.shields.io/badge/License-GPL_v3-blue)
 [![PHPCS](https://github.com/crstauf/query-monitor-extend/actions/workflows/phpcs.yml/badge.svg)](https://github.com/crstauf/query-monitor-extend/actions/workflows/phpcs.yml)
 [![PHPStan](https://github.com/crstauf/query-monitor-extend/actions/workflows/phpstan.yml/badge.svg)](https://github.com/crstauf/query-monitor-extend/actions/workflows/phpstan.yml)