diff --git a/bootstrap/chkenv.php b/bootstrap/chkenv.php
index 44ee4358..577051f4 100644
--- a/bootstrap/chkenv.php
+++ b/bootstrap/chkenv.php
@@ -35,6 +35,7 @@
             'xml',
             'json',
             'fileinfo',
+            'zip',
         ],
         'write_permission' => [
             'bootstrap/cache',