diff --git a/boxes/x230t/default.nix b/boxes/x230t/default.nix
index 6f9f800..8762215 100644
--- a/boxes/x230t/default.nix
+++ b/boxes/x230t/default.nix
@@ -20,6 +20,7 @@
     thunderbird
     hue-cli
     texliveSmall
+    latexrun
 
     strawberry
   ];
diff --git a/flake.lock b/flake.lock
index 44a37b6..321bd9b 100644
--- a/flake.lock
+++ b/flake.lock
@@ -25,11 +25,11 @@
       },
       "locked": {
         "dir": "pkgs/firefox-addons",
-        "lastModified": 1706306805,
-        "narHash": "sha256-BWJdcDmpqZuxCStx4RUl5SD6uELy8hRa5YzwFTdWrts=",
+        "lastModified": 1708805268,
+        "narHash": "sha256-TyB6HacqcoIoK8tf5mwk/K9bkexCxjJsVXBp4+cbATI=",
         "owner": "rycee",
         "repo": "nur-expressions",
-        "rev": "24985136f4a5f98254e88c26d428114d206c2565",
+        "rev": "211c45ca8c36d7aebcff3e4b548142093fc85857",
         "type": "gitlab"
       },
       "original": {
@@ -77,11 +77,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1705659542,
-        "narHash": "sha256-WA3xVfAk1AYmFdwghT7mt/erYpsU6JPu9mdTEP/e9HQ=",
+        "lastModified": 1706981411,
+        "narHash": "sha256-cLbLPTL1CDmETVh4p0nQtvoF+FSEjsnJTFpTxhXywhQ=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "10cd9c53115061aa6a0a90aad0b0dde6a999cdb9",
+        "rev": "652fda4ca6dafeb090943422c34ae9145787af37",
         "type": "github"
       },
       "original": {
@@ -164,11 +164,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1706098335,
-        "narHash": "sha256-r3dWjT8P9/Ah5m5ul4WqIWD8muj5F+/gbCdjiNVBKmU=",
+        "lastModified": 1708702655,
+        "narHash": "sha256-qxT5jSLhelfLhQ07+AUxSTm1VnVH+hQxDkQSZ/m/Smo=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "a77ab169a83a4175169d78684ddd2e54486ac651",
+        "rev": "c5101e457206dd437330d283d6626944e28794b3",
         "type": "github"
       },
       "original": {
diff --git a/home/nvim/init.lua b/home/nvim/init.lua
index 50fff46..0d891a5 100644
--- a/home/nvim/init.lua
+++ b/home/nvim/init.lua
@@ -156,4 +156,21 @@ inoremap('<C-k><C-k>', function()
 	require('better-digraphs').digraphs("insert")
 end)
 
+-- luasnip configuration {{{
+local luasnip = require("luasnip")
+local ls_extras = require("luasnip.extras")
+require("luasnip.loaders.from_snipmate").lazy_load()
+vim.cmd[[
+	imap <silent><expr> <Tab> luasnip#expand_or_jumpable() ? '<Plug>luasnip-expand-or-jump' : '<Tab>'
+]]
+
+luasnip.add_snippets("tex", {
+	luasnip.snippet("env", {
+		luasnip.text_node("\\begin{"), luasnip.insert_node(1), luasnip.text_node("}"),
+		luasnip.text_node({ "", "\t" }), luasnip.insert_node(0),
+		luasnip.text_node({ "", "\\end{" }), ls_extras.rep(1), luasnip.text_node("}")
+	})
+})
+-- }}}
+
 return packer