diff --git a/README.md b/README.md
index 61f1175..3d1599e 100644
--- a/README.md
+++ b/README.md
@@ -63,11 +63,7 @@ when needed.
 
 ### Language servers
 Language servers are installed automatically to the nvim data directory
-(`:echo stdpath('data') .. '/mason'`) upon entering a buffer of related
-filetype. Automatic installation can be turned off, see the end of this section
-for instructions.
-
-The following are some noted requirements
+(`:echo stdpath('data') .. '/mason'`). The following are some noted requirements
 for the installations themselves:
 
 - **diagnostic-languageserver**: npm
@@ -81,11 +77,9 @@ Some servers have additional runtime dependencies:
 
 - **bash-language-server**: shellcheck (optional, used for linting)
 
-If you don't need some specific language server, you may either remove them from
-the top of `lua/lsp.lua` or disable them in `lua/lsp/<server>.lua`.
-
-To disable automatic installation of a selected language server, remove or
-comment out the mason part of the configuration at `lua/lsp/<server>.lua`.
+If you don't need some specific language server, and want to get rid of any
+warning messages, you may either remove them from the top of `lua/lsp.lua`
+or disable them in `lua/lsp/<server>.lua`.
 
 ### Nerd Font
 It's recommended to use a [Nerd Font](https://www.nerdfonts.com/),
diff --git a/lua/lsp.lua b/lua/lsp.lua
index 7b306d9..ecab754 100644
--- a/lua/lsp.lua
+++ b/lua/lsp.lua
@@ -1,14 +1,14 @@
-local module_name = "lsp"
+local package_name = "lsp"
 local utils = require("utils")
 
-local M = {}
+local P = {}
 
-local _filetypes = nil
--- local auto_installed_servers = nil
+P._filetypes = nil
+P._language_servers = nil
 
-local capabilities = {}
+P.capabilities = {}
 
-local config = {
+P.config = {
     bashls = {},
     clangd = {},
     cmake = {},
@@ -23,9 +23,9 @@ local config = {
     zls = {},
 }
 
-for server, _ in pairs(config) do
-    utils.try_require("lsp." .. server, module_name, function (mod)
-        config[server] = mod
+for server, _ in pairs(P.config) do
+    utils.try_require("lsp." .. server, package_name, function (mod)
+        P.config[server] = mod
     end)
 end
 
@@ -43,7 +43,7 @@ local function ca_rename()
     end
 end
 
-local function setup_diagnostics()
+function P._setup_diagnostics()
     -- https://github.com/neovim/nvim-lspconfig/wiki/UI-Customization#customizing-how-diagnostics-are-displayed
     vim.diagnostic.config({
         underline = true,
@@ -73,7 +73,7 @@ local function setup_diagnostics()
     end
 end
 
-local function on_attach(client, bufnr)
+function P.on_attach(client, bufnr)
     -- Mappings.
     -- See `:help vim.lsp.*` for documentation on any of the below functions
     local opts = { buffer = bufnr, }
@@ -93,7 +93,27 @@ local function on_attach(client, bufnr)
     vim.keymap.set(
         { "n", "x", },
         "<leader>lf",
-        vim.lsp.buf.format,
+        function ()
+            if vim.bo.filetype ~= "php" then
+                return vim.lsp.buf.format()
+            end
+
+            local dls = require("lsp.diagnosticls")
+            local formatters = dls.lspconfig.init_options.formatFiletypes.php
+            for _, fmt in ipairs(formatters) do
+                if fmt == "php_cs_fixer" then
+                    ---@type table
+                    local winview = vim.fn.winsaveview()
+                    vim.cmd.write({ bang = true, })
+                    vim.lsp.buf.format()
+                    vim.cmd.write({ bang = true, })
+                    vim.fn.winrestview(winview)
+                    return
+                end
+            end
+
+            return vim.lsp.buf.format()
+        end,
         opts
     )
 
@@ -126,20 +146,20 @@ local function on_attach(client, bufnr)
 
     require("lsp-inlayhints").on_attach(client, bufnr, false)
 
-    vim.lsp.handlers["textDocument/hover"] = vim.lsp.with(
+    vim.lsp.handlers['textDocument/hover'] = vim.lsp.with(
         vim.lsp.handlers.hover, {
-            border = "single",
+            border = "single"
         }
     )
-    vim.lsp.handlers["textDocument/signatureHelp"] = vim.lsp.with(
+    vim.lsp.handlers['textDocument/signatureHelp'] = vim.lsp.with(
         vim.lsp.handlers.signature_help, {
-            border = "single",
+            border = "single"
         }
     )
 end
 
-local function reload_server_buf(name)
-    local server = config[name]
+function P.reload_server_buf(name)
+    local server = P.config[name]
     local ft_map = {}
     for _, ft in ipairs(server.lspconfig.filetypes) do
         ft_map[ft] = true
@@ -160,15 +180,101 @@ local function reload_server_buf(name)
     end
 end
 
+function P.filetypes()
+    if not P._filetypes then
+        P._filetypes = {}
+        local unique = {}
+        for _, server in pairs(P.config) do
+            for _, ft in ipairs(server.lspconfig.filetypes) do
+                if not unique[ft] then
+                    table.insert(P._filetypes, ft)
+                    unique[ft] = true
+                end
+            end
+        end
+    end
 
-local function configure_server(name, server)
-    local ok, ret = pcall(require, "lspconfig")
-    if not ok then
-        utils.err("Missing required plugin lspconfig", module_name)
+    return P._filetypes
+end
+
+function P.language_servers()
+    if not P._language_servers then
+        P._language_servers = {}
+        for server, opts in pairs(P.config) do
+            if opts.enabled ~= true then
+                goto next_server
+            end
+            if opts.dependencies ~= nil then
+                local not_installed = {}
+                for _, dep in ipairs(opts.dependencies) do
+                    if not utils.is_installed(dep) then
+                        table.insert(not_installed, dep)
+                    end
+                end
+
+                if #not_installed > 0 then
+                    utils.warn(
+                        ("Disabling %s "
+                            .. "because the following required package(s) "
+                            .. "are not installed: %s")
+                        :format(
+                            server,
+                            table.concat(not_installed, ", ")
+                        ),
+                        package_name
+                    )
+                    opts.enabled = false
+                    goto next_server
+                end
+            end
+
+            if opts.py_module_deps ~= nil then
+                local not_installed = {}
+                for _, mod in ipairs(opts.py_module_deps) do
+                    if not utils.python3_module_is_installed(mod) then
+                        table.insert(not_installed, mod)
+                    end
+                end
+
+                if #not_installed > 0 then
+                    utils.warn(
+                        ("Disabling %s "
+                            + "because the following required python3 "
+                            + "module(s) are not installed: %s")
+                        :format(
+                            server,
+                            table.concat(not_installed, ", ")
+                        ),
+                        package_name
+                    )
+                    opts.enabled = false
+                    goto next_server
+                end
+            end
+
+            table.insert(P._language_servers, server)
+
+            ::next_server::
+        end
+    end
+
+    return P._language_servers
+end
+
+function P.setup_server(name)
+    local server = P.config[name]
+
+    if not server or server.enabled ~= true then
         return
     end
-    local lspconfig = ret
 
+    local ok, lspconfig = pcall(require, "lspconfig")
+    if not ok then
+        utils.err("Missing required plugin lspconfig", package_name)
+        return
+    end
+
+    -- server.lspconfig.root_dir = function () return vim.fn.getcwd() end
     if server.root_pattern then
         server.lspconfig.root_dir = lspconfig.util.root_pattern(
             unpack(server.root_pattern)
@@ -176,113 +282,39 @@ local function configure_server(name, server)
     else
         server.lspconfig.root_dir = lspconfig.util.find_git_ancestor
     end
-    server.lspconfig.capabilities = capabilities
+    server.lspconfig.capabilities = P.capabilities
     server.lspconfig.on_attach = function (...)
-        ok, ret = pcall(on_attach, ...)
+        local resp
+        ok, resp = pcall(P.on_attach, ...)
         if not ok then
             utils.err(
-                ("Failed to load on_attach for %s:\n%s"):format(name, ret),
-                module_name
+                ("Failed to load on_attach for %s:\n%s"):format(name, resp)
             )
         end
     end
 
-    ok, ret = pcall(lspconfig[name].setup, server.lspconfig)
-    if not ok then
-        utils.err(
-            ("Failed to setup LSP server %s with lspconfig: %s"):format(
-                name,
-                ret
-            ),
-            module_name
-        )
+    if not pcall(lspconfig[name].setup, server.lspconfig) then
+        utils.err("Unknown LSP server for lspconfig: " .. name, package_name)
         return
     end
 
-    reload_server_buf(name)
+    P.reload_server_buf(name)
 end
 
-local function setup_server(name, server)
-    local registry = require("mason-registry")
-    local pkg_name
+function P.setup()
+    P._setup_diagnostics()
 
-    if server.mason then
-        pkg_name = server.mason.name
-    end
-
-    if (pkg_name and not registry.is_installed(pkg_name)) then
-        local pkg = registry.get_package(pkg_name)
-        local handle = pkg:install({ version = server.mason.version, })
-        utils.info("Installing " .. pkg_name)
-        local err
-        handle:on("stderr", vim.schedule_wrap(function (msg)
-            err = (err or "") .. msg
-        end))
-        handle:once("closed", vim.schedule_wrap(function ()
-            if err then
-                utils.err(err, module_name)
-            end
-
-            if pkg:is_installed() then
-                utils.info("Installation finished for " .. pkg_name)
-                configure_server(name, server)
-            else
-                utils.err("Installation failed for " .. pkg_name)
-                server.enable = false
-            end
-        end))
-    else
-        if vim.fn.executable(server.lspconfig.cmd[1]) == 1 then
-            configure_server(name, server)
-        else
-            utils.info(name .. " not installed, disabling", module_name)
-            server.enable = false
-        end
-    end
-end
-
-local function register_server(name, server)
-    local augroup = vim.api.nvim_create_augroup("LSP-" .. name, {})
-    vim.api.nvim_create_autocmd("FileType", {
-        once = true,
-        pattern = table.concat(server.lspconfig.filetypes, ","),
-        callback = vim.schedule_wrap(function ()
-            setup_server(name, server)
-            vim.api.nvim_del_augroup_by_id(augroup)
-        end),
-        group = augroup,
-    })
-end
-
-function M.filetypes()
-    if not _filetypes then
-        _filetypes = {}
-        local unique = {}
-        for _, server in pairs(config) do
-            for _, ft in ipairs(server.lspconfig.filetypes) do
-                if not unique[ft] then
-                    table.insert(_filetypes, ft)
-                    unique[ft] = true
-                end
-            end
-        end
-    end
-
-    return _filetypes
-end
-
-function M.setup()
-    setup_diagnostics()
-
-    utils.try_require("cmp_nvim_lsp", module_name, function (mod)
-        capabilities = mod.default_capabilities()
+    utils.try_require("cmp_nvim_lsp", package_name, function (mod)
+        P.capabilities = mod.default_capabilities()
     end)
 
-    for name, server in pairs(config) do
-        if server.enable then
-            register_server(name, server)
-        end
-    end
+    utils.try_require("mason-lspconfig", package_name, function (mod)
+        mod.setup_handlers({
+            function (name)
+                P.setup_server(name)
+            end,
+        })
+    end)
 end
 
-return M
+return P
diff --git a/lua/lsp/bashls.lua b/lua/lsp/bashls.lua
index ae2b273..0ab6103 100644
--- a/lua/lsp/bashls.lua
+++ b/lua/lsp/bashls.lua
@@ -1,12 +1,8 @@
 return {
-    enable = true,
+    enabled = true,
     dependencies = {
         "npm",
     },
-    mason = {
-        name = "bash-language-server",
-        -- version = "",
-    },
     lspconfig = {
         filetypes = {
             "sh",
diff --git a/lua/lsp/clangd.lua b/lua/lsp/clangd.lua
index 503f928..6116904 100644
--- a/lua/lsp/clangd.lua
+++ b/lua/lsp/clangd.lua
@@ -1,9 +1,5 @@
 return {
-    enable = true,
-    mason = {
-        name = "clangd",
-        -- version = "",
-    },
+    enabled = true,
     lspconfig = {
         filetypes = {
             "c",
diff --git a/lua/lsp/cmake.lua b/lua/lsp/cmake.lua
index 750285e..a7eebc8 100644
--- a/lua/lsp/cmake.lua
+++ b/lua/lsp/cmake.lua
@@ -1,15 +1,11 @@
 return {
-    enable = true,
+    enabled = true,
     dependencies = {
         "python3",
     },
     py_module_deps = {
         "venv",
     },
-    mason = {
-        name = "cmake-language-server",
-        -- version = "",
-    },
     lspconfig = {
         filetypes = {
             "cmake",
diff --git a/lua/lsp/diagnosticls.lua b/lua/lsp/diagnosticls.lua
index ad28787..1f99595 100644
--- a/lua/lsp/diagnosticls.lua
+++ b/lua/lsp/diagnosticls.lua
@@ -5,14 +5,10 @@
 -- https://github.com/iamcco/coc-diagnostic/blob/master/src/config.ts
 
 return {
-    enable = true,
+    enabled = true,
     dependencies = {
         "npm",
     },
-    mason = {
-        name = "diagnostic-languageserver",
-        -- version = "",
-    },
     lspconfig = {
         filetypes = {
             "python",
@@ -114,16 +110,16 @@ return {
                 sh = { "shfmt", },
                 bash = { "shfmt", },
                 zsh = { "shfmt", },
-                -- php = { "php_cs_fixer", },
+                php = { "php_cs_fixer", },
             },
             formatters = {
                 autopep8 = {
                     command = "autopep8",
                     args = {
                         "--aggressive",
-                        "-",
+                        "-"
                     },
-                    rootPatterns = { "Pipfile", "tox.ini", ".git", },
+                    rootPatterns = {"Pipfile", "tox.ini", ".git"},
                     isStdout = true,
                     isStderr = false,
                     ignoreExitCode = false,
diff --git a/lua/lsp/gopls.lua b/lua/lsp/gopls.lua
index b5875e0..94273fb 100644
--- a/lua/lsp/gopls.lua
+++ b/lua/lsp/gopls.lua
@@ -1,11 +1,7 @@
 -- spec: https://rust-analyzer.github.io/manual.html#configuration
 
 return {
-    enable = true,
-    mason = {
-        name = "gopls",
-        -- version = "",
-    },
+    enabled = true,
     lspconfig = {
         filetypes = {
             "go",
diff --git a/lua/lsp/intelephense.lua b/lua/lsp/intelephense.lua
index 0bcc294..101fc70 100644
--- a/lua/lsp/intelephense.lua
+++ b/lua/lsp/intelephense.lua
@@ -3,7 +3,7 @@
 -- https://github.com/bmewburn/vscode-intelephense/blob/master/package.json
 
 return {
-    enable = true,
+    enabled = true,
     dependencies = {
         "npm",
     },
@@ -12,10 +12,6 @@ return {
         "composer.lock",
         "vendor",
     },
-    mason = {
-        name = "intelephense",
-        -- version = "",
-    },
     lspconfig = {
         filetypes = {
             "php",
diff --git a/lua/lsp/jedi_language_server.lua b/lua/lsp/jedi_language_server.lua
index 6d455aa..6a0d56e 100644
--- a/lua/lsp/jedi_language_server.lua
+++ b/lua/lsp/jedi_language_server.lua
@@ -1,15 +1,11 @@
 return {
-    enable = true,
+    enabled = true,
     dependencies = {
         "python3",
     },
     py_module_deps = {
         "venv",
     },
-    mason = {
-        name = "jedi-language-server",
-        -- version = "",
-    },
     lspconfig = {
         filetypes = {
             "python",
diff --git a/lua/lsp/lua_ls.lua b/lua/lsp/lua_ls.lua
index 2e48518..8102abd 100644
--- a/lua/lsp/lua_ls.lua
+++ b/lua/lsp/lua_ls.lua
@@ -1,11 +1,7 @@
 -- spec: https://luals.github.io/wiki/settings/
 
 return {
-    enable = true,
-    mason = {
-        name = "lua-language-server",
-        -- version = "",
-    },
+    enabled = true,
     lspconfig = {
         filetypes = {
             "lua",
diff --git a/lua/lsp/rust_analyzer.lua b/lua/lsp/rust_analyzer.lua
index a47a7a5..d484ddf 100644
--- a/lua/lsp/rust_analyzer.lua
+++ b/lua/lsp/rust_analyzer.lua
@@ -1,11 +1,7 @@
 -- spec: https://rust-analyzer.github.io/manual.html#configuration
 
 return {
-    enable = true,
-    mason = {
-        name = "rust-analyzer",
-        -- version = "",
-    },
+    enabled = true,
     lspconfig = {
         filetypes = {
             "rust",
diff --git a/lua/lsp/zls.lua b/lua/lsp/zls.lua
index 7e0ee8f..2fed08f 100644
--- a/lua/lsp/zls.lua
+++ b/lua/lsp/zls.lua
@@ -1,14 +1,8 @@
--- spec: https://github.com/zigtools/zls#configuration-options
-
 return {
-    enable = true,
+    enabled = true,
     dependencies = {
         "zig",
     },
-    -- mason = {
-    --     name = "zls",
-    --     -- version = "",
-    -- },
     lspconfig = {
         filetypes = {
             "zig",
diff --git a/lua/plugins.lua b/lua/plugins.lua
index c39b3d1..2ddf7b4 100644
--- a/lua/plugins.lua
+++ b/lua/plugins.lua
@@ -8,20 +8,6 @@ local plugins = {
         name = "moonfly",
         config = require("plugins.moonfly"),
     },
-    --[[ {
-        "catppuccin/nvim",
-        name = "catppuccin",
-        priority = 100,
-        lazy = false,
-        config = require("plugins.catppuccin"),
-    }, ]]
-    --[[ {
-        "navarasu/onedark.nvim",
-        priority = 1000,
-        lazy = false,
-        -- name = "moonfly",
-        config = require("plugins.onedark"),
-    }, ]]
     {
         "rcarriga/nvim-notify",
         priority = 900,
@@ -74,6 +60,12 @@ local plugins = {
         lazy = true,
         event = "VimEnter",
     },
+    {
+        "williamboman/mason-lspconfig.nvim",
+        config = require("plugins.mason_lspconfig"),
+        lazy = true,
+        event = "VimEnter",
+    },
     {
         "neovim/nvim-lspconfig",
         config = require("lsp").setup,
@@ -164,6 +156,10 @@ local plugins = {
         lazy = true,
         event = "VimEnter",
     },
+    {
+        "RubixDev/mason-update-all",
+        config = require("plugins.mason_update_all"),
+    },
     {
         "famiu/bufdelete.nvim",
         config = require("plugins.bufdelete"),
diff --git a/lua/plugins/mason_lspconfig.lua b/lua/plugins/mason_lspconfig.lua
new file mode 100644
index 0000000..456d174
--- /dev/null
+++ b/lua/plugins/mason_lspconfig.lua
@@ -0,0 +1,12 @@
+-- https://github.com/williamboman/mason-lspconfig.nvim
+
+local function setup()
+    require("mason-lspconfig").setup({
+        -- A list of servers to automatically install if they're not already installed. Example: { "rust_analyzer@nightly", "lua_ls" }
+        -- This setting has no relation with the `automatic_installation` setting.
+        ---@type string[]
+        ensure_installed = require("lsp").language_servers(),
+    })
+end
+
+return setup
diff --git a/lua/plugins/mason_update_all.lua b/lua/plugins/mason_update_all.lua
new file mode 100644
index 0000000..c0711b9
--- /dev/null
+++ b/lua/plugins/mason_update_all.lua
@@ -0,0 +1,7 @@
+-- https://github.com/RubixDev/mason-update-all
+
+local function setup()
+    require("mason-update-all").setup()
+end
+
+return setup