diff --git a/lazy-lock.json b/lazy-lock.json
index d11e201..3b74cea 100644
--- a/lazy-lock.json
+++ b/lazy-lock.json
@@ -1,4 +1,5 @@
 {
   "lazy.nvim": { "branch": "main", "commit": "306a05526ada86a7b30af95c5cc81ffba93fef97" },
+  "nvim-treesitter": { "branch": "main", "commit": "5a7e5638e7d220575b1c22c8a2e099b52231886e" },
   "tokyonight.nvim": { "branch": "main", "commit": "5da1b76e64daf4c5d410f06bcb6b9cb640da7dfd" }
 }
diff --git a/lua/config/lazy.lua b/lua/config/lazy.lua
index 1134061..7785726 100644
--- a/lua/config/lazy.lua
+++ b/lua/config/lazy.lua
@@ -17,14 +17,10 @@ end
 vim.opt.rtp:prepend(lazypath)
 
 -- Initialize lazy.nvim
-require("lazy").setup({
-  {
-    "folke/tokyonight.nvim",
-    lazy = false,      -- load immediately
-    priority = 1000,   -- load before other plugins
-    config = function()
-      vim.cmd("colorscheme tokyonight")
-    end,
-  },
-})
+local plugins = {
+  require("plugins.tokyonight"), -- theme
+  require("plugins.treesitter"), -- syntax tree
+}
+
+require("lazy").setup(plugins)
 
diff --git a/lua/config/treesitter.lua b/lua/config/treesitter.lua
new file mode 100644
index 0000000..bbcb54e
--- /dev/null
+++ b/lua/config/treesitter.lua
@@ -0,0 +1,11 @@
+return {
+  "nvim-treesitter/nvim-treesitter",
+  run = ":TSUpdate",
+  config = function()
+    require("nvim-treesitter.configs").setup({
+      ensure_installed = { "lua", "c", "cpp", "rust" },
+      highlight = { enable = true, additional_vim_regex_highlighting = false },
+      indent = { enable = true },
+    })
+  end,
+}
diff --git a/lua/plugins/tokyonight.lua b/lua/plugins/tokyonight.lua
new file mode 100644
index 0000000..e708011
--- /dev/null
+++ b/lua/plugins/tokyonight.lua
@@ -0,0 +1,8 @@
+return {
+    "folke/tokyonight.nvim",
+    lazy = false,      -- load immediately
+    priority = 1000,   -- load before other plugins
+    config = function()
+      vim.cmd("colorscheme tokyonight")
+    end,
+}
diff --git a/lua/plugins/treesitter.lua b/lua/plugins/treesitter.lua
new file mode 100644
index 0000000..152810a
--- /dev/null
+++ b/lua/plugins/treesitter.lua
@@ -0,0 +1,12 @@
+return {
+  "nvim-treesitter/nvim-treesitter",
+  lazy = false,
+  run = ":TSUpdate",
+  config = function()
+    require'nvim-treesitter'.install { 'lua', 'c', 'cpp', 'rust' }
+    vim.api.nvim_create_autocmd('FileType', {
+      pattern = { '<filetype>' },
+      callback = function() vim.treesitter.start() end,
+    })
+  end,
+}