diff --git a/configuration.nix b/configuration.nix
index ea64fa4..419101f 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -63,6 +63,11 @@
           # TODO: Remove when on stable
           ghostty = unstable.ghostty;
 
+          # TODO: Use official package when available
+          # https://github.com/NixOS/nixpkgs/issues/327982
+          zen-browser = inputs.zen-browser.packages.${pkgs.system}.zen-browser;
+          zen-browser-unwrapped = inputs.zen-browser.packages.${pkgs.system}.zen-browser-unwrapped;
+
           ### Python
           # https://nixos.org/manual/nixpkgs/unstable/#how-to-override-a-python-package-for-all-python-versions-using-extensions
           #?? PKG = pyprev.PKG.overridePythonAttrs {};
@@ -171,6 +176,7 @@
     };
 
     users = {
+      # FIXME: Separate root from sharedModules
       root = {
         # Inherit from user
         programs.home-manager.enable = config.home-manager.users.${config.custom.username}.programs.home-manager.enable;
diff --git a/flake.in.nix b/flake.in.nix
index c2b2269..3061907 100644
--- a/flake.in.nix
+++ b/flake.in.nix
@@ -68,6 +68,7 @@
     nixgl-unstable = flake "github:nix-community/nixGL" // unstable "nixpkgs";
     stylix-unstable = flake "github:danth/stylix" // unstable "nixpkgs";
     walker = flake "github:abenz1267/walker?ref=v0.12.8" // unstable "nixpkgs";
+    zen-browser = flake "github:youwen5/zen-browser-flake" // unstable "nixpkgs";
 
     ### Branches
     nixpkgs-master = flake "github:NixOS/nixpkgs/master";
@@ -140,6 +141,30 @@
                       inputs.anyrun.homeManagerModules.default
                       inputs.nix-flatpak.homeManagerModules.nix-flatpak
                       inputs.walker.homeManagerModules.default
+
+                      # TODO: Use official module when supported
+                      # https://github.com/nix-community/home-manager/blob/master/modules/programs/floorp.nix
+                      (let
+                        modulePath = ["programs" "zen-browser"];
+                        mkFirefoxModule = import "${inputs."home-manager-${branch}"}/modules/programs/firefox/mkFirefoxModule.nix";
+                      in
+                        mkFirefoxModule {
+                          inherit modulePath;
+                          name = "Zen";
+                          wrappedPackageName = "zen-browser";
+                          unwrappedPackageName = "zen-browser-unwrapped";
+                          visible = true;
+
+                          platforms.linux = {
+                            configPath = ".zen";
+                            vendorPath = ".mozilla";
+                          };
+
+                          platforms.darwin = {
+                            configPath = "Library/Application Support/Zen";
+                            vendorPath = "Library/Application Support/Mozilla";
+                          };
+                        })
                     ];
 
                     # Branch-specific overlays
diff --git a/flake.nix b/flake.nix
index de99163..ecf75db 100644
--- a/flake.nix
+++ b/flake.nix
@@ -164,6 +164,10 @@
       inputs.nixpkgs.follows = "nixpkgs-unstable";
       url = "github:abenz1267/walker?ref=v0.12.8";
     };
+    zen-browser = {
+      inputs.nixpkgs.follows = "nixpkgs-unstable";
+      url = "github:youwen5/zen-browser-flake";
+    };
   };
   outputs = inputs: inputs.flakegen ./flake.in.nix inputs;
 }
\ No newline at end of file
diff --git a/options/custom/desktops/hyprland/rules.nix b/options/custom/desktops/hyprland/rules.nix
index 5146c38..49c75d1 100644
--- a/options/custom/desktops/hyprland/rules.nix
+++ b/options/custom/desktops/hyprland/rules.nix
@@ -210,6 +210,7 @@ in {
             (class "^firefox.*$" rules)
             (class "^google-chrome$" rules)
             (class "^vivaldi.*$" rules)
+            (class "^zen$" rules)
           ];
 
           clipboard = rules: [
diff --git a/options/custom/programs/default.nix b/options/custom/programs/default.nix
index 4cb3f3b..f19a525 100644
--- a/options/custom/programs/default.nix
+++ b/options/custom/programs/default.nix
@@ -42,6 +42,7 @@ with lib; {
       nautilus.enable = true;
       nvtop.enable = true;
       wezterm.enable = true;
+      zen-browser.enable = true;
     })
 
     (mkIf config.custom.full {
diff --git a/options/custom/programs/firefox/zen-browser.nix b/options/custom/programs/firefox/zen-browser.nix
new file mode 100644
index 0000000..edfd35f
--- /dev/null
+++ b/options/custom/programs/firefox/zen-browser.nix
@@ -0,0 +1,72 @@
+{
+  config,
+  inputs,
+  lib,
+  pkgs,
+  ...
+}:
+with lib; let
+  cfg = config.custom.programs.zen-browser;
+in {
+  options.custom.programs.zen-browser = {
+    enable = mkOption {default = false;};
+  };
+
+  config = mkIf cfg.enable {
+    home-manager.sharedModules = [
+      {
+        # https://zen-browser.app/
+        # https://github.com/youwen5/zen-browser-flake
+        programs.zen-browser = mkMerge [
+          (import "${inputs.self}/modules/firefox.nix" {
+            inherit config inputs lib pkgs;
+
+            # TODO: Revisit Zen themes
+            theme = false;
+          })
+
+          {
+            enable = true;
+
+            profiles.default.settings = {
+              "zen.pinned-tab-manager.close-shortcut-behavior" = "reset-unload-switch";
+              "zen.pinned-tab-manager.restore-pinned-tabs-to-pinned-url" = true;
+              "zen.tab-unloader.timeout-minutes" = 60;
+              "zen.theme.accent-color" = "#d33682";
+              "zen.theme.color-prefs.colorful" = false;
+              "zen.theme.color-prefs.use-workspace-colors" = true;
+              "zen.theme.pill-button" = true;
+              "zen.urlbar.replace-newtab" = false;
+              "zen.view.compact.hide-toolbar" = true;
+              "zen.view.sidebar-expanded" = false;
+              "zen.view.use-single-toolbar" = false;
+              "zen.welcome-screen.seen" = true;
+              "zen.workspaces.container-specific-essentials-enabled" = true;
+              "zen.workspaces.force-container-workspace" = true;
+              "zen.workspaces.hide-deactivated-workspaces" = true;
+              "zen.workspaces.individual-pinned-tabs" = false;
+              "zen.workspaces.show-icon-strip" = false;
+            };
+          }
+        ];
+
+        home = {
+          activation = {
+            # HACK: Zen only recognizes profiles that include the ZenAvatarPath key
+            update-zen-browser-profile = lib.home-manager.hm.dag.entryAfter ["writeBoundary"] ''
+              run sed -i \
+                's|\[Profile\([0-9]*\)\]|[Profile\1]\nZenAvatarPath=chrome://browser/content/zen-avatars/avatar-95.svg|' \
+                "$HOME/.zen/profiles.ini"
+            '';
+          };
+
+          file = {
+            ".zen/profiles.ini" = {
+              force = true;
+            };
+          };
+        };
+      }
+    ];
+  };
+}