diff --git a/app/Support/Twig/General.php b/app/Support/Twig/General.php
index bc73df316a..f1f31767f9 100644
--- a/app/Support/Twig/General.php
+++ b/app/Support/Twig/General.php
@@ -186,6 +186,7 @@ class General extends AbstractExtension
                 $converter = new GithubFlavoredMarkdownConverter(
                     [
                         'allow_unsafe_links' => false,
+                        'max_nesting_level'  => 5,
                         'html_input'         => 'escape',
                     ]
                 );