diff --git a/wp-includes/default-constants.php b/wp-includes/default-constants.php
index 79e16428ed..f1c0320a6f 100644
--- a/wp-includes/default-constants.php
+++ b/wp-includes/default-constants.php
@@ -58,6 +58,8 @@ function wp_initial_constants() {
 			define( 'WP_MAX_MEMORY_LIMIT', $current_limit );
 		} elseif ( -1 === $current_limit_int || $current_limit_int > 268435456 /* = 256M */ ) {
 			define( 'WP_MAX_MEMORY_LIMIT', $current_limit );
+		} elseif ( wp_convert_hr_to_bytes( WP_MEMORY_LIMIT ) > 268435456 /* = 256M */ ) {
+			define( 'WP_MAX_MEMORY_LIMIT', WP_MEMORY_LIMIT );
 		} else {
 			define( 'WP_MAX_MEMORY_LIMIT', '256M' );
 		}
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 38331689fd..929903c120 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.7-alpha-58936';
+$wp_version = '6.7-alpha-58937';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.