diff --git a/app/components/markdown/preview_component.rb b/app/components/markdown/preview_component.rb
index ac6055c87b..64b814540e 100644
--- a/app/components/markdown/preview_component.rb
+++ b/app/components/markdown/preview_component.rb
@@ -4,7 +4,7 @@ def initialize(markdown: '')
   end
 
   def allowed_tags
-    Rails::HTML5::SafeListSanitizer::DEFAULT_ALLOWED_TAGS + %w[details summary section]
+    Rails::HTML5::SafeListSanitizer::DEFAULT_ALLOWED_TAGS + %w[details summary section table thead tbody tr th td]
   end
 
   def allowed_attributes