diff --git a/flake.lock b/flake.lock
index fee5951..fa12529 100644
--- a/flake.lock
+++ b/flake.lock
@@ -56,11 +56,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1756770412,
-        "narHash": "sha256-+uWLQZccFHwqpGqr2Yt5VsW/PbeJVTn9Dk6SHWhNRPw=",
+        "lastModified": 1759362264,
+        "narHash": "sha256-wfG0S7pltlYyZTM+qqlhJ7GMw2fTF4mLKCIVhLii/4M=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "4524271976b625a4a605beefd893f270620fd751",
+        "rev": "758cf7296bee11f1706a574c77d072b8a7baa881",
         "type": "github"
       },
       "original": {
@@ -79,11 +79,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1758108966,
-        "narHash": "sha256-ytw7ROXaWZ7OfwHrQ9xvjpUWeGVm86pwnEd1QhzawIo=",
+        "lastModified": 1759523803,
+        "narHash": "sha256-PTod9NG+i3XbbnBKMl/e5uHDBYpwIWivQ3gOWSEuIEM=",
         "owner": "cachix",
         "repo": "git-hooks.nix",
-        "rev": "54df955a695a84cd47d4a43e08e1feaf90b1fd9b",
+        "rev": "cfc9f7bb163ad8542029d303e599c0f7eee09835",
         "type": "github"
       },
       "original": {
@@ -146,11 +146,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1758928860,
-        "narHash": "sha256-ZqaRdd+KoR54dNJPtd7UX4O0X+02YItnTpQVu28lSVI=",
+        "lastModified": 1760239230,
+        "narHash": "sha256-eqSP/BAbQwNTlQ/6yuK0yILzZAPNNj91gp6oIfVtu/E=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "bc2afee55bc5d3b825287829d6592b9cc1405aad",
+        "rev": "c4aaddeaecc09554c92518fd904e3e84b497ed09",
         "type": "github"
       },
       "original": {
@@ -187,11 +187,11 @@
         "treefmt-nix": "treefmt-nix"
       },
       "locked": {
-        "lastModified": 1758931509,
-        "narHash": "sha256-NFOXeqUwhH+V+XXJP3Z8RRzjulOzokwOPQ2kbDuFvX8=",
+        "lastModified": 1760227502,
+        "narHash": "sha256-xOc+y9NWsSdpqsSzX0DErThQ1netOiWZwOguvcXA7WQ=",
         "owner": "nix-community",
         "repo": "neovim-nightly-overlay",
-        "rev": "93318bab5ce403a60a694ad1b6219760935553f7",
+        "rev": "0f104711589baa734fd51dd306f3976298e1d2e7",
         "type": "github"
       },
       "original": {
@@ -203,11 +203,11 @@
     "neovim-src": {
       "flake": false,
       "locked": {
-        "lastModified": 1758863424,
-        "narHash": "sha256-fYY8JrOuqovlOcXfryf2xiahBPTXHQExFpMIsur69/A=",
+        "lastModified": 1760226073,
+        "narHash": "sha256-VBWMWwZutNJo5KLaIMTOhP0KCYAUY9NUOK7UhAcgdCM=",
         "owner": "neovim",
         "repo": "neovim",
-        "rev": "a0c60e819df1b4d4ae5ac631d48e874fa1cf9b92",
+        "rev": "bc2fe135d11865b8ac33214e351312f5f454c4e8",
         "type": "github"
       },
       "original": {
@@ -243,11 +243,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1758427679,
-        "narHash": "sha256-xwjWRJTKDCjQ0iwfh7WhDhgcS0Wt3d1Yscg83mKBCn4=",
+        "lastModified": 1760241904,
+        "narHash": "sha256-OD7QnaGEVNdukYEbJbUNWPsvnDrpbZOZxVIk6Pt9Jhw=",
         "owner": "nix-community",
         "repo": "nix-index-database",
-        "rev": "fd2569ca2ef7d69f244cd9ffcb66a0540772ff85",
+        "rev": "c9f5ea45f25652ec2f771f9426ccacb21cbbaeaa",
         "type": "github"
       },
       "original": {
@@ -276,11 +276,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1758663926,
-        "narHash": "sha256-6CFdj7Xs616t1W4jLDH7IohAAvl5Dyib3qEv/Uqw1rk=",
+        "lastModified": 1760106635,
+        "narHash": "sha256-2GoxVaKWTHBxRoeUYSjv0AfSOx4qw5CWSFz2b+VolKU=",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "170ff93c860b2a9868ed1e1102d4e52cb3d934e1",
+        "rev": "9ed85f8afebf2b7478f25db0a98d0e782c0ed903",
         "type": "github"
       },
       "original": {
@@ -298,11 +298,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1758785683,
-        "narHash": "sha256-mRn51IeEBXeNh5a6xNLylk4PKBX0s/QQxgkEbYoPq/w=",
+        "lastModified": 1759833546,
+        "narHash": "sha256-rOfkgIiiZNPUbf61OqEym60wXEODeDG8XH+gV/SUoUc=",
         "owner": "nix-community",
         "repo": "NixOS-WSL",
-        "rev": "1bfb978f2f6261b6086e04af17f9418e1fe36d70",
+        "rev": "7c0c0f4c3a51761434f18209fa9499b8579ff730",
         "type": "github"
       },
       "original": {
@@ -329,11 +329,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1758690382,
-        "narHash": "sha256-NY3kSorgqE5LMm1LqNwGne3ZLMF2/ILgLpFr1fS4X3o=",
+        "lastModified": 1760038930,
+        "narHash": "sha256-Oncbh0UmHjSlxO7ErQDM3KM0A5/Znfofj2BSzlHLeVw=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "e643668fd71b949c53f8626614b21ff71a07379d",
+        "rev": "0b4defa2584313f3b781240b29d61f6f9f7e0df3",
         "type": "github"
       },
       "original": {
@@ -360,11 +360,11 @@
     "tmux": {
       "flake": false,
       "locked": {
-        "lastModified": 1757674869,
-        "narHash": "sha256-EIytv4wIxLnvTE9fXIJIbrxABAaEHnHpQ9irc3bRxSI=",
+        "lastModified": 1759745633,
+        "narHash": "sha256-W7Z6ECsj0PuL+Z+tTI+cNq/ba+iyoKsdmnFDm/u2rGQ=",
         "owner": "tmux",
         "repo": "tmux",
-        "rev": "3e28777ecbc8de3df803d5d7429a5ecd35f61553",
+        "rev": "0ff2676a2594aa6a26de7232e605640c28021f28",
         "type": "github"
       },
       "original": {
@@ -381,11 +381,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1758728421,
-        "narHash": "sha256-ySNJ008muQAds2JemiyrWYbwbG+V7S5wg3ZVKGHSFu8=",
+        "lastModified": 1760120816,
+        "narHash": "sha256-gq9rdocpmRZCwLS5vsHozwB6b5nrOBDNc2kkEaTXHfg=",
         "owner": "numtide",
         "repo": "treefmt-nix",
-        "rev": "5eda4ee8121f97b218f7cc73f5172098d458f1d1",
+        "rev": "761ae7aff00907b607125b2f57338b74177697ed",
         "type": "github"
       },
       "original": {
@@ -401,11 +401,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1758859571,
-        "narHash": "sha256-/DPe2RNgIzTBHm1tLUF31YswssT7Uz+HJI6VIkmHN6w=",
+        "lastModified": 1759982773,
+        "narHash": "sha256-HlTQoXRytul3jjek7vRV0Qk7voDB3Fy8RSIzDSvHIAQ=",
         "owner": "youwen5",
         "repo": "zen-browser-flake",
-        "rev": "58e5a7b019aa1584ca46e909b011c1f6a91081f0",
+        "rev": "f2f8aff94529e763665b807bad23396aed9d1fe8",
         "type": "github"
       },
       "original": {
diff --git a/nvim/default.nix b/nvim/default.nix
index a1188fe..7d573ae 100644
--- a/nvim/default.nix
+++ b/nvim/default.nix
@@ -96,7 +96,6 @@ in
           vim-helm
           vim-sleuth
           auto-save-nvim
-          undotree
 
           noice-nvim
           statuscol-nvim
diff --git a/nvim/lua/plugins/ui.lua b/nvim/lua/plugins/ui.lua
index 717996c..07e681d 100644
--- a/nvim/lua/plugins/ui.lua
+++ b/nvim/lua/plugins/ui.lua
@@ -1,11 +1,7 @@
-return {
-	{
-		"undotree",
-		keys = {
-			{ "<leader>u", vim.cmd.UndotreeToggle, desc = "Show undotree" },
-		},
-	},
+vim.cmd("packadd nvim.undotree")
+vim.keymap.set("n",  "<leader>u", "<cmd>Undotree<cr>", { desc = "Show undotree" })
 
+return {
 	{
 		"which-key.nvim",
 		event = "DeferredUIEnter",