diff --git a/nvim/lua/config/keymaps.lua b/nvim/lua/config/keymaps.lua
index 2c134f7..86661c0 100644
--- a/nvim/lua/config/keymaps.lua
+++ b/nvim/lua/config/keymaps.lua
@@ -1,3 +1,6 @@
 -- Keymaps are automatically loaded on the VeryLazy event
 -- Default keymaps that are always set: https://github.com/LazyVim/LazyVim/blob/main/lua/lazyvim/config/keymaps.lua
 -- Add any additional keymaps here
+--
+-- Keymap for opening oil to the parent directory when inside a file buffer.
+vim.keymap.set("n", "-", "<CMD>Oil<CR>", { desc = "Open parent directory" })
diff --git a/nvim/lua/plugins/oil.lua b/nvim/lua/plugins/oil.lua
new file mode 100644
index 0000000..64bd77e
--- /dev/null
+++ b/nvim/lua/plugins/oil.lua
@@ -0,0 +1,214 @@
+return {
+  {
+    "stevearc/oil.nvim",
+    ---@module 'oil'
+    ---@type oil.SetupOpts
+    opts = {
+      -- Oil will take over directory buffers (e.g. `vim .` or `:e src/`)
+      -- Set to false if you want some other plugin (e.g. netrw) to open when you edit directories.
+      default_file_explorer = true,
+      -- Id is automatically added at the beginning, and name at the end
+      -- See :help oil-columns
+      columns = {
+        "icon",
+        -- "permissions",
+        -- "size",
+        -- "mtime",
+      },
+      -- Buffer-local options to use for oil buffers
+      buf_options = {
+        buflisted = false,
+        bufhidden = "hide",
+      },
+      -- Window-local options to use for oil buffers
+      win_options = {
+        wrap = false,
+        signcolumn = "no",
+        cursorcolumn = false,
+        foldcolumn = "0",
+        spell = false,
+        list = false,
+        conceallevel = 3,
+        concealcursor = "nvic",
+      },
+      -- Send deleted files to the trash instead of permanently deleting them (:help oil-trash)
+      delete_to_trash = false,
+      -- Skip the confirmation popup for simple operations (:help oil.skip_confirm_for_simple_edits)
+      skip_confirm_for_simple_edits = false,
+      -- Selecting a new/moved/renamed file or directory will prompt you to save changes first
+      -- (:help prompt_save_on_select_new_entry)
+      prompt_save_on_select_new_entry = true,
+      -- Oil will automatically delete hidden buffers after this delay
+      -- You can set the delay to false to disable cleanup entirely
+      -- Note that the cleanup process only starts when none of the oil buffers are currently displayed
+      cleanup_delay_ms = 2000,
+      lsp_file_methods = {
+        -- Enable or disable LSP file operations
+        enabled = true,
+        -- Time to wait for LSP file operations to complete before skipping
+        timeout_ms = 1000,
+        -- Set to true to autosave buffers that are updated with LSP willRenameFiles
+        -- Set to "unmodified" to only save unmodified buffers
+        autosave_changes = false,
+      },
+      -- Constrain the cursor to the editable parts of the oil buffer
+      -- Set to `false` to disable, or "name" to keep it on the file names
+      constrain_cursor = "editable",
+      -- Set to true to watch the filesystem for changes and reload oil
+      watch_for_changes = false,
+      -- Keymaps in oil buffer. Can be any value that `vim.keymap.set` accepts OR a table of keymap
+      -- options with a `callback` (e.g. { callback = function() ... end, desc = "", mode = "n" })
+      -- Additionally, if it is a string that matches "actions.<name>",
+      -- it will use the mapping at require("oil.actions").<name>
+      -- Set to `false` to remove a keymap
+      -- See :help oil-actions for a list of all available actions
+      keymaps = {
+        ["g?"] = { "actions.show_help", mode = "n" },
+        ["<CR>"] = "actions.select",
+        ["<C-s>"] = { "actions.select", opts = { vertical = true } },
+        ["<C-h>"] = { "actions.select", opts = { horizontal = true } },
+        ["<C-t>"] = { "actions.select", opts = { tab = true } },
+        ["<C-p>"] = "actions.preview",
+        ["<C-c>"] = { "actions.close", mode = "n" },
+        ["<C-l>"] = "actions.refresh",
+        ["-"] = { "actions.parent", mode = "n" },
+        ["_"] = { "actions.open_cwd", mode = "n" },
+        ["`"] = { "actions.cd", mode = "n" },
+        ["~"] = { "actions.cd", opts = { scope = "tab" }, mode = "n" },
+        ["gs"] = { "actions.change_sort", mode = "n" },
+        ["gx"] = "actions.open_external",
+        ["g."] = { "actions.toggle_hidden", mode = "n" },
+        ["g\\"] = { "actions.toggle_trash", mode = "n" },
+      },
+      -- Set to false to disable all of the above keymaps
+      use_default_keymaps = true,
+      view_options = {
+        -- Show files and directories that start with "."
+        show_hidden = false,
+        -- This function defines what is considered a "hidden" file
+        is_hidden_file = function(name, bufnr)
+          local m = name:match("^%.")
+          return m ~= nil
+        end,
+        -- This function defines what will never be shown, even when `show_hidden` is set
+        is_always_hidden = function(name, bufnr)
+          return false
+        end,
+        -- Sort file names with numbers in a more intuitive order for humans.
+        -- Can be "fast", true, or false. "fast" will turn it off for large directories.
+        natural_order = "fast",
+        -- Sort file and directory names case insensitive
+        case_insensitive = false,
+        sort = {
+          -- sort order can be "asc" or "desc"
+          -- see :help oil-columns to see which columns are sortable
+          { "type", "asc" },
+          { "name", "asc" },
+        },
+        -- Customize the highlight group for the file name
+        highlight_filename = function(entry, is_hidden, is_link_target, is_link_orphan)
+          return nil
+        end,
+      },
+      -- Extra arguments to pass to SCP when moving/copying files over SSH
+      extra_scp_args = {},
+      -- EXPERIMENTAL support for performing file operations with git
+      git = {
+        -- Return true to automatically git add/mv/rm files
+        add = function(path)
+          return false
+        end,
+        mv = function(src_path, dest_path)
+          return false
+        end,
+        rm = function(path)
+          return false
+        end,
+      },
+      -- Configuration for the floating window in oil.open_float
+      float = {
+        -- Padding around the floating window
+        padding = 2,
+        -- max_width and max_height can be integers or a float between 0 and 1 (e.g. 0.4 for 40%)
+        max_width = 0,
+        max_height = 0,
+        border = "rounded",
+        win_options = {
+          winblend = 0,
+        },
+        -- optionally override the oil buffers window title with custom function: fun(winid: integer): string
+        get_win_title = nil,
+        -- preview_split: Split direction: "auto", "left", "right", "above", "below".
+        preview_split = "auto",
+        -- This is the config that will be passed to nvim_open_win.
+        -- Change values here to customize the layout
+        override = function(conf)
+          return conf
+        end,
+      },
+      -- Configuration for the file preview window
+      preview_win = {
+        -- Whether the preview window is automatically updated when the cursor is moved
+        update_on_cursor_moved = true,
+        -- How to open the preview window "load"|"scratch"|"fast_scratch"
+        preview_method = "fast_scratch",
+        -- A function that returns true to disable preview on a file e.g. to avoid lag
+        disable_preview = function(filename)
+          return false
+        end,
+        -- Window-local options to use for preview window buffers
+        win_options = {},
+      },
+      -- Configuration for the floating action confirmation window
+      confirmation = {
+        -- Width dimensions can be integers or a float between 0 and 1 (e.g. 0.4 for 40%)
+        -- min_width and max_width can be a single value or a list of mixed integer/float types.
+        -- max_width = {100, 0.8} means "the lesser of 100 columns or 80% of total"
+        max_width = 0.9,
+        -- min_width = {40, 0.4} means "the greater of 40 columns or 40% of total"
+        min_width = { 40, 0.4 },
+        -- optionally define an integer/float for the exact width of the preview window
+        width = nil,
+        -- Height dimensions can be integers or a float between 0 and 1 (e.g. 0.4 for 40%)
+        -- min_height and max_height can be a single value or a list of mixed integer/float types.
+        -- max_height = {80, 0.9} means "the lesser of 80 columns or 90% of total"
+        max_height = 0.9,
+        -- min_height = {5, 0.1} means "the greater of 5 columns or 10% of total"
+        min_height = { 5, 0.1 },
+        -- optionally define an integer/float for the exact height of the preview window
+        height = nil,
+        border = "rounded",
+        win_options = {
+          winblend = 0,
+        },
+      },
+      -- Configuration for the floating progress window
+      progress = {
+        max_width = 0.9,
+        min_width = { 40, 0.4 },
+        width = nil,
+        max_height = { 10, 0.9 },
+        min_height = { 5, 0.1 },
+        height = nil,
+        border = "rounded",
+        minimized_border = "none",
+        win_options = {
+          winblend = 0,
+        },
+      },
+      -- Configuration for the floating SSH window
+      ssh = {
+        border = "rounded",
+      },
+      -- Configuration for the floating keymaps help window
+      keymaps_help = {
+        border = "rounded",
+      },
+    },
+    -- Optional dependencies
+    dependencies = { { "echasnovski/mini.icons", opts = {} } },
+    -- dependencies = { "nvim-tree/nvim-web-devicons" }, -- use if you prefer nvim-web-devicons
+    -- Lazy loading is not recommended because it is very tricky to make it work correctly in all situations.
+    lazy = false,
+  },
+}