diff --git a/outputs/pkgs/ook-vim/config/plugins/languages/treesitter.nix b/outputs/pkgs/ook-vim/config/plugins/languages/treesitter.nix
index 33c3410..89c601c 100644
--- a/outputs/pkgs/ook-vim/config/plugins/languages/treesitter.nix
+++ b/outputs/pkgs/ook-vim/config/plugins/languages/treesitter.nix
@@ -6,6 +6,7 @@
       kdl
       regex
       fish
+      yaml
     ];
   };
 }