diff --git a/init.lua b/init.lua
index 88293fd..ad25e81 100644
--- a/init.lua
+++ b/init.lua
@@ -208,6 +208,7 @@ vim.keymap.set("v", "<A-k>", ":m '<-2<CR>gv=gv") -- move line down(v)
 vim.keymap.set("n", "<A-d>", "yyp") -- copy line below
 
 vim.keymap.set("n", "<leader>e", ":NvimTreeToggle<CR>")
+vim.keymap.set("n", "<leader>z", ":NvimTreeCollapse<CR>")
 
 -- [[ Basic Autocommands ]]
 --  See `:help lua-guide-autocommands`