diff --git a/modules/text-editing/siren-tree-sitter.el b/modules/text-editing/siren-tree-sitter.el
index ea4f4b5..3c56d3c 100644
--- a/modules/text-editing/siren-tree-sitter.el
+++ b/modules/text-editing/siren-tree-sitter.el
@@ -13,6 +13,7 @@
     js-mode
     json-mode
     lua-mode
+    markdown-mode
     php-mode
     ruby-mode
     rust-mode