diff --git a/programs/neovim/default.nix b/programs/neovim/default.nix
index 6161d57..1a9a2a6 100644
--- a/programs/neovim/default.nix
+++ b/programs/neovim/default.nix
@@ -21,6 +21,7 @@
       gitsigns-nvim
       lsp-format-nvim
       lualine-nvim
+      neo-tree-nvim
       nvim-autopairs
       nvim-cmp
       nvim-lspconfig
diff --git a/programs/neovim/init.lua b/programs/neovim/init.lua
index 8c6a47e..6af1747 100644
--- a/programs/neovim/init.lua
+++ b/programs/neovim/init.lua
@@ -1,5 +1,5 @@
 -- sets the <Leader> "key", which can be used in shortcuts
-vim.g.mapleader = " "
+vim.g.mapleader = ","
 
 vim.g.have_nerd_font = true
 
@@ -65,6 +65,9 @@ vim.keymap.set("n", "<C-l>", "<C-w><C-l>", { desc = "Move focus to the right win
 vim.keymap.set("n", "<C-j>", "<C-w><C-j>", { desc = "Move focus to the lower window" })
 vim.keymap.set("n", "<C-k>", "<C-w><C-k>", { desc = "Move focus to the upper window" })
 
+-- open neo-tree
+vim.keymap.set("n", "<leader>t", "<Cmd>Neotree reveal<CR>")
+
 -- [[ plugin configuration ]]
 require("catppuccin").setup({
 	flavour = "auto",
@@ -141,3 +144,7 @@ lspconfig.rust_analyzer.setup({
 require("gitsigns").setup()
 
 require("fidget").setup()
+
+require("neo-tree").setup({
+	close_if_last_window = true,
+})