diff --git a/systems/LoutreOS/configuration.nix b/systems/LoutreOS/configuration.nix
index 588f0bf..a35b7b2 100644
--- a/systems/LoutreOS/configuration.nix
+++ b/systems/LoutreOS/configuration.nix
@@ -87,6 +87,7 @@
   # Enable the OpenSSH daemon.
   services.openssh.enable = true;
   services.openssh.permitRootLogin = "no";
+  services.openssh.passwordAuthentication = false;
 
   networking.firewall.allowedTCPPorts = [  ];
   networking.firewall.allowedUDPPorts = [  ];