diff --git a/app/rendering.php b/app/rendering.php
index 5b27ebe..4da9798 100644
--- a/app/rendering.php
+++ b/app/rendering.php
@@ -14,7 +14,10 @@ function renderContentFile(string $filePath): string {
             if (!class_exists('Parsedown')) {
                 require_once __DIR__ . '/vendor/Parsedown.php';
             }
-            $html = '<article>' . (new Parsedown())->text(file_get_contents($filePath)) . '</article>';
+            if (!class_exists('ParsedownExtra')) {
+                require_once __DIR__ . '/vendor/ParsedownExtra.php';
+            }
+            $html = '<article>' . (new ParsedownExtra())->text(file_get_contents($filePath)) . '</article>';
             setCachedMarkdown($filePath, $html);
             echo $html;
         }