diff --git a/taiga/mdrender/service.py b/taiga/mdrender/service.py
index 1bd4568d..82824e10 100644
--- a/taiga/mdrender/service.py
+++ b/taiga/mdrender/service.py
@@ -52,7 +52,7 @@ from .extensions.references import TaigaReferencesExtension
 
 
 # Bleach configuration
-bleach.ALLOWED_TAGS += ["p", "table", "th", "tr", "td", "h1", "h2", "h3",
+bleach.ALLOWED_TAGS += ["p", "table", "thead", "tbody", "th", "tr", "td", "h1", "h2", "h3",
                         "div", "pre", "span", "hr", "dl", "dt", "dd", "sup",
                         "img", "del", "br", "ins"]