diff --git a/flake.nix b/flake.nix
index 9fd2926..b04de08 100644
--- a/flake.nix
+++ b/flake.nix
@@ -7,13 +7,16 @@
       url = "github:Mic92/sops-nix";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    guestbook.url = "git+https://git.ily.rs/lew/guestbook";
   };
 
-  outputs = { self, nixpkgs, sops-nix, ... }: {
+  outputs = { self, nixpkgs, sops-nix, guestbook, ... }: {
     nixosConfigurations.lab = nixpkgs.lib.nixosSystem {
       system = "aarch64-linux";
+      specialArgs = { inherit guestbook; };
       modules = [
         sops-nix.nixosModules.sops
+        guestbook.nixosModules.default
         ./hosts/lab
       ];
     };
diff --git a/hosts/lab/default.nix b/hosts/lab/default.nix
index 559b0a8..3935ab2 100644
--- a/hosts/lab/default.nix
+++ b/hosts/lab/default.nix
@@ -12,6 +12,7 @@
     ./uptime-kuma.nix
     ./tinyauth.nix
     ./shlink.nix
+    ./guestbook.nix
   ];
 
   networking.hostName = "lab";
diff --git a/hosts/lab/guestbook.nix b/hosts/lab/guestbook.nix
new file mode 100644
index 0000000..345b689
--- /dev/null
+++ b/hosts/lab/guestbook.nix
@@ -0,0 +1,60 @@
+{ guestbook, ... }:
+{
+  services.guestbook = {
+    enable = true;
+    package = guestbook.packages.aarch64-linux.default;
+    port = 8123;
+    dataDir = "/srv/guestbook/data";
+    user = "guestbook";
+    group = "guestbook";
+
+    siteTitle = "ily [dot] rs";
+    caddy = {
+      enable = true;
+      domain = "g.ily.rs";
+    };
+
+    features = {
+      submissions.enable = false;
+      websites.enable = false;
+      drawing = {
+        enable = false;
+        canvasWidth = 400;
+        canvasHeight = 200;
+      };
+      voiceNote = {
+        enable = false;
+        maxDuration = 20;
+      };
+      telegram = {
+        enable = false;
+        chatId = 8669496383;
+      };
+      security = {
+        htmlInjection.enable = true;
+        honeypot.enable = true;
+        captcha.enable = false;
+      };
+    };
+
+    limits = {
+      name = 0;
+      message = 0;
+      website = 0;
+    };
+
+    styles = {
+      separator = "-----------";
+      labels = {
+        submit = "Submit";
+        name = "Your name*:";
+        website = "Your website:";
+        message = "Your message*:";
+      };
+      message = {
+        width = 400;
+        height = 150;
+      };
+    };
+  };
+}