return {
	"VonHeikemen/lsp-zero.nvim",
	branch = "v3.x",
	dependencies = {
		"neovim/nvim-lspconfig",
		"hrsh7th/cmp-nvim-lsp",

		-- completion
		{
			"hrsh7th/nvim-cmp",
			version = false,
			event = "InsertEnter",
			dependencies = {
				"hrsh7th/cmp-buffer", -- autocomplete from buffer
				"hrsh7th/cmp-path", -- autocomplete from filesystem
				"hrsh7th/cmp-nvim-lsp", -- autocomplete from lsp
                "saadparwaiz1/cmp_luasnip", -- autocomplete from snippet engine
				"L3MON4D3/LuaSnip", -- snippet engine
				"onsails/lspkind-nvim", -- icons for kind
			},
			opts = require("config.cmp"),
			config = function(_, opts)
				local cmp = require("cmp")
				cmp.setup(opts)

				-- insert () on function completion using autopairs
				cmp.event:on("confirm_done", require("nvim-autopairs.completion.cmp").on_confirm_done())
			end,
		},
	},
	opts = require("config.lsp"),
	config = function(_, opts)
		local lsp_zero = require("lsp-zero")
		local lsp_config = require("lspconfig")
		local augroup = vim.api.nvim_create_augroup("Lsp", {})
		local map = require("utils.keys")

		lsp_zero.on_attach(function(_, bufnr)
			for _, v in ipairs(require("config.keymaps").lsp or {}) do
				map(v, { buffer = bufnr })
			end
		end)

		for name, server_opt in pairs(opts.servers) do
			local on_attach = function(client, bufnr)
				vim.api.nvim_clear_autocmds({ group = augroup, buffer = bufnr })

				if server_opt.on_save then
					vim.api.nvim_create_autocmd("BufWritePre", {
						group = augroup,
						buffer = bufnr,
						callback = server_opt.on_save,
					})
				end

				if (opts.document_highlight or false) and client.supports_method('textDocument/documentHighlight')then
					require("utils.lsp").document_highlight(bufnr)
				end
			end

			server_opt = vim.tbl_deep_extend("force", { on_attach = on_attach }, server_opt or {})

			lsp_config[name].setup(server_opt)
		end
	end,
}