diff --git a/flake.lock b/flake.lock
index e8dd9f5..25c2a13 100644
--- a/flake.lock
+++ b/flake.lock
@@ -533,11 +533,11 @@
     },
     "nixpkgs_3": {
       "locked": {
-        "lastModified": 1742422364,
-        "narHash": "sha256-mNqIplmEohk5jRkqYqG19GA8MbQ/D4gQSK0Mu4LvfRQ=",
+        "lastModified": 1742669843,
+        "narHash": "sha256-G5n+FOXLXcRx+3hCJ6Rt6ZQyF1zqQ0DL0sWAMn2Nk0w=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "a84ebe20c6bc2ecbcfb000a50776219f48d134cc",
+        "rev": "1e5b653dff12029333a6546c11e108ede13052eb",
         "type": "github"
       },
       "original": {
diff --git a/profiles/default.nix b/profiles/default.nix
index 087804c..0b0b95f 100644
--- a/profiles/default.nix
+++ b/profiles/default.nix
@@ -13,6 +13,7 @@
     ./mercury-vm
     ./netcup
     ./network-fallback-dhcp
+    ./serial-console
     ./wg-clerie
   ];
 
diff --git a/profiles/mercury-vm/default.nix b/profiles/mercury-vm/default.nix
index 819a284..f8dde20 100644
--- a/profiles/mercury-vm/default.nix
+++ b/profiles/mercury-vm/default.nix
@@ -11,6 +11,7 @@ with lib;
   config = mkIf config.profiles.clerie.mercury-vm.enable {
 
     profiles.clerie.fem-net.enable = true;
+    profiles.clerie.serial-console.enable = true;
 
     services.qemuGuest.enable = true;
 
diff --git a/profiles/serial-console/default.nix b/profiles/serial-console/default.nix
new file mode 100644
index 0000000..ce896c0
--- /dev/null
+++ b/profiles/serial-console/default.nix
@@ -0,0 +1,26 @@
+{ config, pkgs, lib, ... }:
+
+with lib;
+
+let
+
+  cfg = config.profiles.clerie.serial-console;
+
+in {
+
+  options.profiles.clerie.serial-console = {
+    enable = mkEnableOption "Use first serial console as termial";
+  };
+
+  config = mkIf cfg.enable {
+
+    boot.kernelParams = [ "console=ttyS0,115200n8" ];
+
+    boot.loader.grub.extraConfig = "
+      serial --speed=115200 --unit=0 --word=8 --parity=no --stop=1
+      terminal_input serial
+      terminal_output serial
+    ";
+
+  };
+}