diff --git a/src/lib/markdown.ts b/src/lib/markdown.ts
index 275830293..12f8cdcf9 100644
--- a/src/lib/markdown.ts
+++ b/src/lib/markdown.ts
@@ -30,6 +30,7 @@ dompurify.setConfig({
     "br",
     "code",
     "dd",
+    "del",
     "div",
     "dl",
     "dt",