diff --git a/modules/text-editing/siren-tree-sitter.el b/modules/text-editing/siren-tree-sitter.el
index 3c56d3c..fb8ca5c 100644
--- a/modules/text-editing/siren-tree-sitter.el
+++ b/modules/text-editing/siren-tree-sitter.el
@@ -14,6 +14,7 @@
     json-mode
     lua-mode
     markdown-mode
+    nix-mode
     php-mode
     ruby-mode
     rust-mode