diff --git a/app/markdown/lib/parser/marked/marked.js b/app/markdown/lib/parser/marked/marked.js
index f930a3369bb92..68a665262ab6f 100644
--- a/app/markdown/lib/parser/marked/marked.js
+++ b/app/markdown/lib/parser/marked/marked.js
@@ -106,7 +106,7 @@ export const marked = (message, {
 		highlight,
 	});
 
-	message.html = dompurify.sanitize(message.html);
+	message.html = dompurify.sanitize(message.html, { ADD_ATTR: ['target'] });
 
 	return message;
 };