diff --git a/src/WordPress/Database/MysqlDatabase.php b/src/WordPress/Database/MysqlDatabase.php
index c330b1955..c3d8b8c6f 100644
--- a/src/WordPress/Database/MysqlDatabase.php
+++ b/src/WordPress/Database/MysqlDatabase.php
@@ -30,7 +30,7 @@ public function __construct(
         private string $dbHost,
         private string $tablePrefix = 'wp_'
     ) {
-        if (!preg_match('/^[a-zA-Z][\w_]{0,23}$/', $dbName) || str_starts_with('ii', $dbName)) {
+        if (!preg_match('/^[a-zA-Z][\w_]{0,64}$/', $dbName) || str_starts_with('ii', $dbName)) {
             throw new DbException(
                 "Invalid database name: $dbName",
                 DbException::INVALID_DB_NAME