diff --git a/.config/hypr/hyprpaper.conf b/.config/hypr/hyprpaper.conf
index 42e2f51..a16f0e5 100644
--- a/.config/hypr/hyprpaper.conf
+++ b/.config/hypr/hyprpaper.conf
@@ -1,2 +1,2 @@
-preload = /home/junikim/wallpaper/trees.png
-wallpaper = eDP-1, /home/junikim/wallpaper/trees.png
+preload = /home/junikim/wallpaper/valley.png
+wallpaper = eDP-1, /home/junikim/wallpaper/valley.png
diff --git a/.config/nvim/lazy-lock.json b/.config/nvim/lazy-lock.json
index 45f4764..fb7ee00 100644
--- a/.config/nvim/lazy-lock.json
+++ b/.config/nvim/lazy-lock.json
@@ -1,6 +1,11 @@
 {
+  "LuaSnip": { "branch": "master", "commit": "03c8e67eb7293c404845b3982db895d59c0d1538" },
   "barbar.nvim": { "branch": "master", "commit": "53b5a2f34b68875898f0531032fbf090e3952ad7" },
+  "cmp-buffer": { "branch": "main", "commit": "3022dbc9166796b644a841a02de8dd1cc1d311fa" },
   "cmp-nvim-lsp": { "branch": "main", "commit": "39e2eda76828d88b773cc27a3f61d2ad782c922d" },
+  "cmp-nvim-lua": { "branch": "main", "commit": "f12408bdb54c39c23e67cab726264c10db33ada8" },
+  "cmp-path": { "branch": "main", "commit": "91ff86cd9c29299a64f968ebb45846c485725f23" },
+  "cmp_luasnip": { "branch": "master", "commit": "98d9cb5c2c38532bd9bdb481067b20fea8f32e90" },
   "emmet-vim": { "branch": "master", "commit": "6c511a8d7d2863066f32e25543e2bb99d505172c" },
   "everforest-nvim": { "branch": "main", "commit": "3598755ade98f87e66415cb0e15d3f99b895bdf8" },
   "gitsigns.nvim": { "branch": "main", "commit": "5f808b5e4fef30bd8aca1b803b4e555da07fc412" },
diff --git a/.config/nvim/lua/junikim/plugins/lsp.lua b/.config/nvim/lua/junikim/plugins/lsp.lua
index c1390e1..d808bc8 100644
--- a/.config/nvim/lua/junikim/plugins/lsp.lua
+++ b/.config/nvim/lua/junikim/plugins/lsp.lua
@@ -9,24 +9,57 @@ return {
   {
     'hrsh7th/nvim-cmp',
     event = 'InsertEnter',
+    dependencies = {
+      { "L3MON4D3/LuaSnip" },
+      { 'hrsh7th/cmp-nvim-lsp' },     -- Required
+      { 'hrsh7th/cmp-buffer' },       -- Optional
+      { 'hrsh7th/cmp-path' },         -- Optional
+      { 'saadparwaiz1/cmp_luasnip' }, -- Optional
+      { 'hrsh7th/cmp-nvim-lua' },     -- Optional
+    },
     config = function()
       local cmp = require('cmp')
+      local luasnip = require("luasnip")
+      local cmp_select = { behavior = cmp.SelectBehavior.Select }
 
       cmp.setup({
-        sources = {
+        sources = cmp.config.sources({
           { name = 'nvim_lsp' },
+          { name = 'luasnip' },
+          { name = 'path' },
+          { name = 'buffer' },
+          { name = 'nvim_lua' },
+        }, {
+          { name = 'buffer' },
+        }),
+        completion = {
+          completeopt = 'menu,menuone,noinsert'
         },
         mapping = cmp.mapping.preset.insert({
           ['<C-p>'] = cmp.mapping.select_prev_item(cmp_select),
           ['<C-n>'] = cmp.mapping.select_next_item(cmp_select),
-          ['<C-s>'] = cmp.mapping.confirm({ select = true }),
           ["<C-Space>"] = cmp.mapping.complete(),
-          ['<Tab>'] = nil,
+          ['<Tab>'] = cmp.mapping.select_next_item(cmp_select),
           ['<S-Tab>'] = nil,
+          ["<CR>"] = cmp.mapping({
+            i = function(fallback)
+              --  and cmp.get_selected_entry()
+              if cmp.visible() then
+                cmp.confirm({ behavior = cmp.ConfirmBehavior.Replace, select = true })
+              else
+                fallback()
+              end
+            end,
+            s = cmp.mapping.confirm({ select = true }),
+            c = cmp.mapping.confirm({ behavior = cmp.ConfirmBehavior.Replace, select = true }),
+          }),
         }),
+        experimental = {
+          ghost_text = true
+        },
         snippet = {
           expand = function(args)
-            vim.snippet.expand(args.body)
+            luasnip.lsp_expand(args.body)
           end,
         },
       })
@@ -42,6 +75,7 @@ return {
       { 'hrsh7th/cmp-nvim-lsp' },
       { 'williamboman/mason.nvim' },
       { 'williamboman/mason-lspconfig.nvim' },
+      { "L3MON4D3/LuaSnip" }
     },
     init = function()
       -- Reserve a space in the gutter
diff --git a/.config/nvim/lua/junikim/plugins/treesitter.lua b/.config/nvim/lua/junikim/plugins/treesitter.lua
index ab9abf9..0498371 100644
--- a/.config/nvim/lua/junikim/plugins/treesitter.lua
+++ b/.config/nvim/lua/junikim/plugins/treesitter.lua
@@ -13,7 +13,7 @@ return { -- Highlight, edit, and navigate code
       -- Some languages depend on vim's regex highlighting system (such as Ruby) for indent rules.
       --  If you are experiencing weird indenting issues, add the language to
       --  the list of additional_vim_regex_highlighting and disabled languages for indent.
-      additional_vim_regex_highlighting = { 'ruby' },
+      disable = { "latex", "perl", "htmldjango" },
     },
     indent = { enable = true, disable = { 'ruby' } },
   },