diff --git a/supported_os_model.php b/supported_os_model.php
index 7f65d63..c099629 100644
--- a/supported_os_model.php
+++ b/supported_os_model.php
@@ -37,7 +37,7 @@ public function process($data)
         $parser->parse($data);     
         $plist = $parser->toArray();
         
-        $most_current_os = "10.15.3"; // Update this as Apple releases new point updates.
+        $most_current_os = "10.15.4"; // Update this as Apple releases new point updates.
         
         if (strpos($plist['machine_id'], 'iMacPro') !== false) {
             $model_num = preg_replace("/[^0-9]/", "", $plist['machine_id']);