diff --git a/init.lua b/init.lua
index 92088787..7a63a05a 100644
--- a/init.lua
+++ b/init.lua
@@ -653,6 +653,7 @@ require('lazy').setup({
       local ensure_installed = vim.tbl_keys(servers or {})
       vim.list_extend(ensure_installed, {
         -- You can add other tools here that you want Mason to install
+        'prettier',
       })
 
       require('mason-tool-installer').setup { ensure_installed = ensure_installed }
@@ -696,6 +697,7 @@ require('lazy').setup({
       end,
       formatters_by_ft = {
         lua = { 'stylua' },
+        yaml = { 'prettier' },
         -- Conform can also run multiple formatters sequentially
         -- python = { "isort", "black" },
         --