diff --git a/lazy-lock.json b/lazy-lock.json
index b0be70e..e6c589a 100644
--- a/lazy-lock.json
+++ b/lazy-lock.json
@@ -39,6 +39,7 @@
   "nvim-treesitter-textobjects": { "branch": "master", "commit": "bd103502252027434ec42f628d2dbf54821d4ce6" },
   "nvim-ts-autotag": { "branch": "main", "commit": "6be1192965df35f94b8ea6d323354f7dc7a557e4" },
   "nvim-web-devicons": { "branch": "master", "commit": "480a756df82a0c231622c9bf2173bb6634713716" },
+  "playground": { "branch": "master", "commit": "ba48c6a62a280eefb7c85725b0915e021a1a0749" },
   "plenary.nvim": { "branch": "master", "commit": "9ce85b0f7dcfe5358c0be937ad23e456907d410b" },
   "rest.nvim": { "branch": "main", "commit": "f13ae54ae2545d4d612593d4a442cbb33a1b5b65" },
   "smart-splits.nvim": { "branch": "master", "commit": "0beb14427dcf2a5d5d63e0064b45032a7bd3e763" },
diff --git a/lua/plugins/lsp.lua b/lua/plugins/lsp.lua
index 5d18760..3ae9a5c 100644
--- a/lua/plugins/lsp.lua
+++ b/lua/plugins/lsp.lua
@@ -54,6 +54,7 @@ return {
                         "typescriptreact",
                         "lua",
                         "go",
+                        "yamlls",
                     },
                 },
             })
@@ -62,6 +63,7 @@ return {
                 "tsserver",
                 "lua_ls",
                 "gopls",
+                "yamlls",
             })
 
             local lspconfig = require("lspconfig")
@@ -122,6 +124,8 @@ return {
                     null_ls.builtins.formatting.stylua,
                     null_ls.builtins.formatting.prettierd,
                     null_ls.builtins.formatting.eslint_d,
+                    null_ls.builtins.formatting.yamlfmt,
+                    null_ls.builtins.diagnostics.yamllint,
                     null_ls.builtins.formatting.fixjson,
                     null_ls.builtins.formatting.gofumpt,
                     null_ls.builtins.formatting.goimports,
diff --git a/lua/plugins/treesitter.lua b/lua/plugins/treesitter.lua
index 817f7c5..1c72687 100644
--- a/lua/plugins/treesitter.lua
+++ b/lua/plugins/treesitter.lua
@@ -61,6 +61,9 @@ return {
             },
         },
     },
+    {
+        "nvim-treesitter/playground",
+    },
 
     {
         "windwp/nvim-ts-autotag",