diff --git a/config/nvim/lazy-lock.json b/config/nvim/lazy-lock.json
index d4dcc7d..49e69f6 100644
--- a/config/nvim/lazy-lock.json
+++ b/config/nvim/lazy-lock.json
@@ -1,4 +1,9 @@
 {
+  "cmp-buffer": { "branch": "main", "commit": "3022dbc9166796b644a841a02de8dd1cc1d311fa" },
+  "cmp-cmdline": { "branch": "main", "commit": "8fcc934a52af96120fe26358985c10c035984b53" },
+  "cmp-nvim-lsp": { "branch": "main", "commit": "0e6b2ed705ddcff9738ec4ea838141654f12eeef" },
+  "cmp-path": { "branch": "main", "commit": "91ff86cd9c29299a64f968ebb45846c485725f23" },
+  "cmp-vsnip": { "branch": "main", "commit": "989a8a73c44e926199bfd05fa7a516d51f2d2752" },
   "gruvbox.nvim": { "branch": "main", "commit": "1a8ba635e511148801b55a1128aef933c296a301" },
   "kanagawa.nvim": { "branch": "master", "commit": "5c4037432f0ae2d0b75d3a7b7cfa3022d7054e4d" },
   "lazy.nvim": { "branch": "main", "commit": "57cce98dfdb2f2dd05a0567d89811e6d0505e13b" },
@@ -6,6 +11,8 @@
   "neo-tree.nvim": { "branch": "v2.x", "commit": "2b2f74828eeb02cf29d6b21aa32eedadadc94ca7" },
   "nordic.nvim": { "branch": "main", "commit": "fc7ea160bb441f9c0245c2719a3c7b8c22468178" },
   "nui.nvim": { "branch": "main", "commit": "1f43b13d133eb4b4f53a4485379d9afa58808389" },
+  "nvim-cmp": { "branch": "main", "commit": "777450fd0ae289463a14481673e26246b5e38bf2" },
+  "nvim-lspconfig": { "branch": "master", "commit": "7d5af779acbc8a6ff9dfd7f2d39ae898fb67480f" },
   "nvim-treesitter": { "branch": "master", "commit": "411e771d511442ab81670701f5c830f6c74aadd7" },
   "nvim-treesitter-textobjects": { "branch": "master", "commit": "b55fe6175f0001347a433c9df358c8cbf8a4e90f" },
   "nvim-web-devicons": { "branch": "master", "commit": "0568104bf8d0c3ab16395433fcc5c1638efc25d4" },
@@ -13,5 +20,6 @@
   "plenary.nvim": { "branch": "master", "commit": "253d34830709d690f013daf2853a9d21ad7accab" },
   "telescope.nvim": { "branch": "master", "commit": "942fe5faef47b21241e970551eba407bc10d9547" },
   "tokyonight.nvim": { "branch": "main", "commit": "1b0c88094548a62641ece1e668fa9a234e1c539e" },
+  "vim-vsnip": { "branch": "master", "commit": "7753ba9c10429c29d25abfd11b4c60b76718c438" },
   "which-key.nvim": { "branch": "main", "commit": "4b73390eec680b4c061ea175eb32c0ff3412271d" }
 }
\ No newline at end of file
diff --git a/config/nvim/lua/config/options.lua b/config/nvim/lua/config/options.lua
index 0c7d442..d8584c0 100644
--- a/config/nvim/lua/config/options.lua
+++ b/config/nvim/lua/config/options.lua
@@ -1,4 +1,4 @@
-require('onedark').load()
+require("onedark").load()
 
 local indent = 2
 
diff --git a/config/nvim/lua/config/plugins/lspconfig/elixir.lua b/config/nvim/lua/config/plugins/lspconfig/elixir.lua
index 0f5ef12..8251afd 100644
--- a/config/nvim/lua/config/plugins/lspconfig/elixir.lua
+++ b/config/nvim/lua/config/plugins/lspconfig/elixir.lua
@@ -1 +1 @@
-require('lspconfig').elixirls.setup({})
+require("lspconfig").elixirls.setup({})
diff --git a/config/nvim/lua/config/plugins/lspconfig/init.lua b/config/nvim/lua/config/plugins/lspconfig/init.lua
index 5e1999e..e3d4575 100644
--- a/config/nvim/lua/config/plugins/lspconfig/init.lua
+++ b/config/nvim/lua/config/plugins/lspconfig/init.lua
@@ -1,5 +1,5 @@
-require('config.plugins.lspconfig.elixir')
-require('config.plugins.lspconfig.emmet')
-require('config.plugins.lspconfig.javascript')
-require('config.plugins.lspconfig.lua')
-require('config.plugins.lspconfig.ruby')
+require("config.plugins.lspconfig.elixir")
+require("config.plugins.lspconfig.emmet")
+require("config.plugins.lspconfig.javascript")
+require("config.plugins.lspconfig.lua")
+require("config.plugins.lspconfig.ruby")
diff --git a/config/nvim/lua/config/plugins/lspconfig/lua.lua b/config/nvim/lua/config/plugins/lspconfig/lua.lua
index 874ea66..294c39b 100644
--- a/config/nvim/lua/config/plugins/lspconfig/lua.lua
+++ b/config/nvim/lua/config/plugins/lspconfig/lua.lua
@@ -1,11 +1,11 @@
-require('lspconfig').lua_ls.setup {
+require("lspconfig").lua_ls.setup {
   settings = {
     Lua = {
       runtime = {
-        version = 'LuaJIT',
+        version = "LuaJIT",
       },
       diagnostics = {
-        globals = {'vim'},
+        globals = {"vim"},
       },
       workspace = {
         library = vim.api.nvim_get_runtime_file("", true),
diff --git a/config/nvim/lua/config/plugins/lspconfig/ruby.lua b/config/nvim/lua/config/plugins/lspconfig/ruby.lua
index e186a20..0338612 100644
--- a/config/nvim/lua/config/plugins/lspconfig/ruby.lua
+++ b/config/nvim/lua/config/plugins/lspconfig/ruby.lua
@@ -1 +1 @@
-require('lspconfig').ruby_ls.setup({})
+require("lspconfig").ruby_ls.setup({})
diff --git a/config/nvim/lua/config/plugins/lualine.lua b/config/nvim/lua/config/plugins/lualine.lua
index c8aecb8..13145f8 100644
--- a/config/nvim/lua/config/plugins/lualine.lua
+++ b/config/nvim/lua/config/plugins/lualine.lua
@@ -1,3 +1,3 @@
 return function()
-  require('lualine').setup()
+  require("lualine").setup()
 end
diff --git a/config/nvim/lua/config/plugins/nvim-cmp.lua b/config/nvim/lua/config/plugins/nvim-cmp.lua
new file mode 100644
index 0000000..6d1efb6
--- /dev/null
+++ b/config/nvim/lua/config/plugins/nvim-cmp.lua
@@ -0,0 +1,28 @@
+return function()
+  local cmp = require("cmp")
+
+  cmp.setup({
+    snippet = {
+      expand = function(args)
+        vim.fn["vsnip#anonymous"](args.body)
+      end,
+    },
+    window = {
+      -- completion = cmp.config.window.bordered(),
+      -- documentation = cmp.config.window.bordered(),
+    },
+    mapping = cmp.mapping.preset.insert({
+      ["<C-b>"] = cmp.mapping.scroll_docs(-4),
+      ["<C-f>"] = cmp.mapping.scroll_docs(4),
+      ["<C-Space>"] = cmp.mapping.complete(),
+      ["<C-e>"] = cmp.mapping.abort(),
+      ["<CR>"] = cmp.mapping.confirm({ select = true }),
+    }),
+    sources = cmp.config.sources({
+      { name = "nvim_lsp" },
+      { name = "vsnip" },
+    }, {
+      { name = "buffer" },
+    })
+  })
+end
diff --git a/config/nvim/lua/plugins/init.lua b/config/nvim/lua/plugins/init.lua
index 97aeadd..39ec8fb 100644
--- a/config/nvim/lua/plugins/init.lua
+++ b/config/nvim/lua/plugins/init.lua
@@ -1,2 +1,8 @@
 return {
+  "hrsh7th/cmp-nvim-lsp",
+  "hrsh7th/cmp-buffer",
+  "hrsh7th/cmp-path",
+  "hrsh7th/cmp-cmdline",
+  "hrsh7th/cmp-vsnip",
+  "hrsh7th/vim-vsnip",
 }
diff --git a/config/nvim/lua/plugins/lspconfig.lua b/config/nvim/lua/plugins/lspconfig.lua
index 32a9ab5..fd0ff72 100644
--- a/config/nvim/lua/plugins/lspconfig.lua
+++ b/config/nvim/lua/plugins/lspconfig.lua
@@ -2,6 +2,6 @@ return {
   "neovim/nvim-lspconfig",
 
   config = function()
-    require('config.plugins.lspconfig')
+    require("config.plugins.lspconfig")
   end
 }
diff --git a/config/nvim/lua/plugins/nvim-cmp.lua b/config/nvim/lua/plugins/nvim-cmp.lua
new file mode 100644
index 0000000..56151d1
--- /dev/null
+++ b/config/nvim/lua/plugins/nvim-cmp.lua
@@ -0,0 +1,5 @@
+return {
+  "hrsh7th/nvim-cmp",
+
+  config = require("config.plugins.nvim-cmp")
+}