diff --git a/system/default.nix b/system/default.nix
index 7f79b90..eb81052 100644
--- a/system/default.nix
+++ b/system/default.nix
@@ -33,6 +33,7 @@
   services = {
     ntp.enable = true;
     openssh.enable = true;
+    openssh.settings.PasswordAuthentication = false;
   };
 
   system.stateVersion = "22.11";