diff --git a/roles/neovim/files/after/plugin/treesitter.lua b/roles/neovim/files/after/plugin/treesitter.lua
index 3b0f2a6..52a1dd5 100644
--- a/roles/neovim/files/after/plugin/treesitter.lua
+++ b/roles/neovim/files/after/plugin/treesitter.lua
@@ -7,7 +7,8 @@ configs.setup {
   context_commenting = {
     enable = true,
   },
-  ensure_installed = "maintained",
+  -- TODO: specify which languages to install.
+  ensure_installed = "all",
   highlight = {
     enable = true,
   },