diff --git a/litespeed-cache.php b/litespeed-cache.php
index 1b1a141e8..0616703b9 100644
--- a/litespeed-cache.php
+++ b/litespeed-cache.php
@@ -4,7 +4,7 @@
  * Plugin Name:       LiteSpeed Cache
  * Plugin URI:        https://www.litespeedtech.com/products/cache-plugins/wordpress-acceleration
  * Description:       High-performance page caching and site optimization from LiteSpeed
- * Version:           6.4-a4
+ * Version:           6.4-a5
  * Author:            LiteSpeed Technologies
  * Author URI:        https://www.litespeedtech.com
  * License:           GPLv3
@@ -34,7 +34,7 @@
 	return;
 }
 
-!defined('LSCWP_V') && define('LSCWP_V', '6.4-a4');
+!defined('LSCWP_V') && define('LSCWP_V', '6.4-a5');
 
 !defined('LSCWP_CONTENT_DIR') && define('LSCWP_CONTENT_DIR', WP_CONTENT_DIR);
 !defined('LSCWP_DIR') && define('LSCWP_DIR', __DIR__ . '/'); // Full absolute path '/var/www/html/***/wp-content/plugins/litespeed-cache/' or MU
@@ -180,7 +180,7 @@ function run_litespeed_cache()
 		}
 
 		//Check minimum WP requirements, which is 4.0 at the moment.
-		if (version_compare($GLOBALS['wp_version'], '4.0', '<')) {
+		if (version_compare($GLOBALS['wp_version'], '5.3', '<')) {
 			return;
 		}
 
diff --git a/readme.txt b/readme.txt
index 32f1b45d8..4c54dae53 100644
--- a/readme.txt
+++ b/readme.txt
@@ -1,7 +1,7 @@
 === LiteSpeed Cache ===
 Contributors: LiteSpeedTech
 Tags: caching, optimize, performance, pagespeed, core web vitals, seo, speed, image optimize, compress, object cache, redis, memcached, database cleaner
-Requires at least: 4.0
+Requires at least: 5.3
 Tested up to: 6.6.1
 Stable tag: 6.3.0.1
 License: GPLv3
@@ -255,6 +255,7 @@ The vast majority of plugins and themes are compatible with LiteSpeed Cache. The
 * **GUI** Regrouped CDN menu.
 * **3rd** Add Elementor Edit button back in ESI. (PR#635)
 * **Core** Minimum required PHP version escalated to PHP v7.2.0.
+* **Core** Minimum required WP version escalated to WP v5.3.
 
 = 6.3.0.1 - Jul 29 2024 =
 * 🔥🐞**Rest** Disabled WP default Editor cache for REST requests to fix editor errors. (Shivam)