diff --git a/flake.lock b/flake.lock
index e40ce3b..f5e8bae 100644
--- a/flake.lock
+++ b/flake.lock
@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1732108588,
-        "narHash": "sha256-14WgIZbSquzyAXWtBwYPl9SFHcaBYZCPstI0Qv1N8cE=",
+        "lastModified": 1732293079,
+        "narHash": "sha256-e4991+N5MYtv7wuXVZouaRMi60+vFqnf66+8OM4i1MY=",
         "owner": "aylur",
         "repo": "astal",
-        "rev": "4fcf3c9e49dfd9cc54f2669297ea6dd9c5771476",
+        "rev": "d3d95aaa52ea2433bb1a4945029238b93177f31d",
         "type": "github"
       },
       "original": {
@@ -173,11 +173,11 @@
         "zig": "zig"
       },
       "locked": {
-        "lastModified": 1732159111,
-        "narHash": "sha256-dIHQDtvPXsuv0z6DVgK6GvTh/jJn14B7Q9J0gT38Pl4=",
+        "lastModified": 1732297688,
+        "narHash": "sha256-PnJXc3Ad9yweL/TaOUAkwGFUqPvbSWbw1l3niOhno4I=",
         "ref": "refs/heads/main",
-        "rev": "63bf16ff00ccac2f730519b4f0dd14cde857792d",
-        "revCount": 8050,
+        "rev": "7bae9e1d20892fc0f01906cb3227015de800a44d",
+        "revCount": 8068,
         "type": "git",
         "url": "ssh://git@github.com/mitchellh/ghostty"
       },
@@ -264,11 +264,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1732178333,
-        "narHash": "sha256-AtWOjD0hmJx7EmMrXgsYb8bhfG2voByXpfew9P78pjw=",
+        "lastModified": 1732300290,
+        "narHash": "sha256-WKtcR7kK/KT9DSbA3KVKejZYyxuB7/76HLuHFeBjevk=",
         "owner": "zoriya",
         "repo": "home-manager",
-        "rev": "86d35b6fd92bdd141972a1856a9ee8ed7c98239b",
+        "rev": "9a0496a667d2c2745768afe04ecd7586910a6534",
         "type": "github"
       },
       "original": {
@@ -304,11 +304,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1732173780,
-        "narHash": "sha256-pszcETwWdItBmb/Z2CqIiTfEiVl3K5TPpgFSwyQrghY=",
+        "lastModified": 1732234033,
+        "narHash": "sha256-94yZ7eJiLvW+UknI5RZBCV6OMHtoSv1oWyOwKjTmS88=",
         "owner": "nix-community",
         "repo": "neovim-nightly-overlay",
-        "rev": "151fab1aa35e1cbc6f5caad1e175e3d621d67951",
+        "rev": "10e11c32a4f4f7c9d64f45413642ded11fc538b6",
         "type": "github"
       },
       "original": {
@@ -320,11 +320,11 @@
     "neovim-src": {
       "flake": false,
       "locked": {
-        "lastModified": 1732143030,
-        "narHash": "sha256-XKPsbjqHmwbiyzZdqNtw0tKxWLGFCkVB1+Awbi8tjQU=",
+        "lastModified": 1732229552,
+        "narHash": "sha256-7tA7IeOjx1wgDQnY7RxIhIuwcFeSZu4Yc3WtLh+22TE=",
         "owner": "neovim",
         "repo": "neovim",
-        "rev": "07db909eb5ae2a559771068be64439eba394cd61",
+        "rev": "ff75f345ab5fa57c6560db021e8eb099aff90472",
         "type": "github"
       },
       "original": {
@@ -340,11 +340,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1732016537,
-        "narHash": "sha256-XwXUK+meYnlhdQz2TVE4Wv+tsx1CkdGbDPt1tRzCNH4=",
+        "lastModified": 1732229547,
+        "narHash": "sha256-vtUhSQFgDfyyNM6rgmn35A2T+L5PXBS0H89cxWK9N2A=",
         "owner": "LnL7",
         "repo": "nix-darwin",
-        "rev": "61cee20168a3ebb71a9efd70a55adebaadfbe4d4",
+        "rev": "edabc790a834326dcb5810e2698fa743483510d0",
         "type": "github"
       },
       "original": {
@@ -456,7 +456,8 @@
         "nixos-hardware": "nixos-hardware",
         "nixos-wsl": "nixos-wsl",
         "nixpkgs": "nixpkgs",
-        "river-src": "river-src"
+        "river-src": "river-src",
+        "zen": "zen"
       }
     },
     "systems": {
@@ -489,6 +490,22 @@
         "type": "github"
       }
     },
+    "zen": {
+      "locked": {
+        "lastModified": 1731699950,
+        "narHash": "sha256-xrH3kz0hhu60CS/MnSWXn6R5NnUFYthWktQ0e8ljxb0=",
+        "owner": "matthewpi",
+        "repo": "nixpkgs",
+        "rev": "4a6be22d0d52df01d0be2346cc6504962251fea7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "matthewpi",
+        "ref": "zen-browser",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "zig": {
       "inputs": {
         "flake-compat": [
diff --git a/flake.nix b/flake.nix
index 2fada42..32af5de 100644
--- a/flake.nix
+++ b/flake.nix
@@ -42,6 +42,7 @@
       url = "github:LnL7/nix-darwin";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    zen.url = "github:matthewpi/nixpkgs/zen-browser"; 
   };
 
   outputs = {
@@ -56,6 +57,7 @@
     nixos-hardware,
     nix-index-database,
     nix-darwin,
+    zen,
     ...
   } @ inputs: let
     user = "zoriya";
@@ -116,17 +118,6 @@
     nixosConfigurations = {
       fuhen = mkSystem "fuhen" "river" [
         nixos-hardware.nixosModules.tuxedo-infinitybook-pro14-gen7
-        ({
-          lib,
-          pkgs,
-          ...
-        }: {
-          hardware.keyboard.zsa.enable = true;
-          environment.systemPackages = with pkgs; [
-            wally-cli
-            ghostty.packages.x86_64-linux.default
-          ];
-        })
       ];
 
       saikai = mkSystem "saikai" "server" [];
diff --git a/hosts/fuhen/hardware-configuration.nix b/hosts/fuhen/hardware-configuration.nix
index 89e9bd1..3423b26 100644
--- a/hosts/fuhen/hardware-configuration.nix
+++ b/hosts/fuhen/hardware-configuration.nix
@@ -23,7 +23,7 @@
   fileSystems."/tmp" = {
     device = "none";
     fsType = "tmpfs";
-    options = [ "size=8G" "mode=755" ];
+    options = [ "size=32G" "mode=755" ];
   };
 
   fileSystems."/nix" = {
@@ -36,7 +36,10 @@
     fsType = "vfat";
   };
 
-  swapDevices = [];
+  swapDevices = [{
+    device = "/nix/persist/var/cache/swapfile";
+    size = 64*1024;
+  }];
 
   # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
   # (the default) this is the recommended approach. When using systemd-networkd it's
diff --git a/modules/cli/impermanence.nix b/modules/cli/impermanence.nix
index eff1b58..87fd347 100644
--- a/modules/cli/impermanence.nix
+++ b/modules/cli/impermanence.nix
@@ -49,6 +49,7 @@
         ".local/share/waydroid"
         ".local/share/bottles"
         ".var"
+        ".zen"
         ".cache/flatpak"
         ".local/share/atuin"
         # Cache for sessions (keep website logged in, plugin downloaded...)
diff --git a/modules/gui/default.nix b/modules/gui/default.nix
index 3440f8f..9781641 100644
--- a/modules/gui/default.nix
+++ b/modules/gui/default.nix
@@ -1,10 +1,11 @@
 {
   config,
   pkgs,
+  inputs,
   ...
 }: let
   # When editing this, don't forget to edit home.sessionVariables.
-  browser = "firefox.desktop";
+  browser = "zen.desktop";
   editor = "nvim.desktop";
   pdf = "org.pwmt.zathura.desktop";
   player = "mpv.desktop";
@@ -17,8 +18,9 @@ in {
 
   home.packages = with pkgs; [
     google-chrome
-    vesktop
     firefox
+    (import inputs.zen { system = "x86_64-linux"; }).zen-browser
+    vesktop
     mpv
     xdg-utils
     zathura
@@ -34,7 +36,7 @@ in {
 
   home.sessionVariables = rec {
     TERMINAL = "ghostty";
-    BROWSER = "firefox";
+    BROWSER = "zen";
     DEFAULT_BROWSER = BROWSER;
     # For rider
     FLATPAK_ENABLE_SDK_EXT = "*";