diff --git a/nvim/.config/nvim/lua/plugins/config/lsp.lua b/nvim/.config/nvim/lua/plugins/config/lsp.lua
index 93d7b4a..b537c7f 100644
--- a/nvim/.config/nvim/lua/plugins/config/lsp.lua
+++ b/nvim/.config/nvim/lua/plugins/config/lsp.lua
@@ -159,7 +159,7 @@ end
 local null_ls = require("null-ls")
 null_ls.setup({})
 require("mason-null-ls").setup({
-	ensure_installed = { "black", "prettier", "shfmt", "eslint-lsp", "stylua", "jq", "vale" },
+	ensure_installed = { "black", "prettier", "shfmt", "eslint-lsp", "stylua", "jq", "vale", "markdownlint" },
 	automatic_installation = false,
 	handlers = {
 		shfmt = function(_, _)
@@ -182,6 +182,11 @@ require("mason-null-ls").setup({
 				extra_filetypes = { "astro" },
 			}))
 		end,
+		markdownlint = function(_, _)
+			null_ls.register(null_ls.builtins.diagnostics.markdownlint.with({
+				extra_filetypes = { "quarto" },
+			}))
+		end,
 		vale = function(_, _)
 			null_ls.register(null_ls.builtins.diagnostics.vale.with({
 				condition = function(utils)