diff --git a/hosts/all-hosts.nix b/hosts/all-hosts.nix
index 4ea51b7..ab412ce 100644
--- a/hosts/all-hosts.nix
+++ b/hosts/all-hosts.nix
@@ -140,6 +140,13 @@
   users.users.mar = {
     isNormalUser = true;
     description = "MLC Bloeiman";
+    openssh.authorizedKeys.keys = [
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIN00S7BhcmuvXgGrzIv2dLXGwMxVGL6y164oVAlNIDMf"
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAyau8tCGMY2+JdzcGw3gav5Ioh59RVBMG22B1z8jn2K"
+      "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIKYFw1Pr1q/PXBRwBz9h0wiV4I4xjPd0BgzptTLECZDqAAAABHNzaDo= mar@strawmelonjuice.com's Yubikey 5C 1"
+      "sk-ecdsa-sha2-nistp256@openssh.com AAAAInNrLWVjZHNhLXNoYTItbmlzdHAyNTZAb3BlbnNzaC5jb20AAAAIbmlzdHAyNTYAAABBBKmawcg4EArqnBiDPZhqHas8qm4R3n6f5wtoLKdowd4YQA6oQnTHKQ0ReKWZw/aMSoUgR5nuuMZObPy6bsdQS10AAAAEc3NoOg== mar@Samurott Yubikey 1"
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAoQBb5B3iDgdRb+rFwK1t3C6nDW9JTpDGvATnxdTVXZ Backup server management key"
+    ];
     shell = pkgs.zsh;
     extraGroups = [
       "networkmanager"
diff --git a/hosts/frigometri/configuration.nix b/hosts/frigometri/configuration.nix
index 7fe21ca..149c4de 100644
--- a/hosts/frigometri/configuration.nix
+++ b/hosts/frigometri/configuration.nix
@@ -182,6 +182,9 @@
     openssh.authorizedKeys.keys = [
       "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIN00S7BhcmuvXgGrzIv2dLXGwMxVGL6y164oVAlNIDMf"
       "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAyau8tCGMY2+JdzcGw3gav5Ioh59RVBMG22B1z8jn2K"
+      "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIKYFw1Pr1q/PXBRwBz9h0wiV4I4xjPd0BgzptTLECZDqAAAABHNzaDo= mar@strawmelonjuice.com's Yubikey 5C 1"
+      "sk-ecdsa-sha2-nistp256@openssh.com AAAAInNrLWVjZHNhLXNoYTItbmlzdHAyNTZAb3BlbnNzaC5jb20AAAAIbmlzdHAyNTYAAABBBKmawcg4EArqnBiDPZhqHas8qm4R3n6f5wtoLKdowd4YQA6oQnTHKQ0ReKWZw/aMSoUgR5nuuMZObPy6bsdQS10AAAAEc3NoOg== mar@Samurott Yubikey 1"
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAoQBb5B3iDgdRb+rFwK1t3C6nDW9JTpDGvATnxdTVXZ Backup server management key"
     ];
   };
   services.postgresql = {