diff --git a/init.lua b/init.lua
index 430530d..423af68 100644
--- a/init.lua
+++ b/init.lua
@@ -677,3 +677,5 @@ vim.api.nvim_create_autocmd("LspAttach", {
 })
 
 require 'lspconfig'.gleam.setup({})
+
+vim.keymap.set("n", "-", "<CMD>Oil<CR>")
diff --git a/lua/custom/plugins/oil.lua b/lua/custom/plugins/oil.lua
new file mode 100644
index 0000000..5f8712a
--- /dev/null
+++ b/lua/custom/plugins/oil.lua
@@ -0,0 +1,11 @@
+return {
+  {
+    'stevearc/oil.nvim',
+    ---@module 'oil'
+    ---@type oil.SetupOpts
+    opts = {},
+    -- Optional dependencies
+    dependencies = { { "echasnovski/mini.icons", opts = {} } },
+    -- dependencies = { "nvim-tree/nvim-web-devicons" }, -- use if prefer nvim-web-devicons
+  }
+}