diff --git a/src/ncc/bootstrap.php b/src/ncc/bootstrap.php
index d345166..317eb34 100644
--- a/src/ncc/bootstrap.php
+++ b/src/ncc/bootstrap.php
@@ -1,4 +1,7 @@
 <?php
 
     // polyfill-mbstring
-    require_once(__DIR__ . DIRECTORY_SEPARATOR . 'ThirdParty' . DIRECTORY_SEPARATOR . 'Symfony' . DIRECTORY_SEPARATOR . 'polyfill-mbstring' . DIRECTORY_SEPARATOR . 'bootstrap.php');
\ No newline at end of file
+    require_once(__DIR__ . DIRECTORY_SEPARATOR . 'ThirdParty' . DIRECTORY_SEPARATOR . 'Symfony' . DIRECTORY_SEPARATOR . 'polyfill-mbstring' . DIRECTORY_SEPARATOR . 'bootstrap.php');
+
+    // polyfill-ctype
+    require_once(__DIR__ . DIRECTORY_SEPARATOR . 'ThirdParty' . DIRECTORY_SEPARATOR . 'Symfony' . DIRECTORY_SEPARATOR . 'polyfill-ctype' . DIRECTORY_SEPARATOR . 'bootstrap.php');
\ No newline at end of file