diff --git a/nixos/ssh.nix b/nixos/ssh.nix
index 4a86f67d..0c9df4a7 100644
--- a/nixos/ssh.nix
+++ b/nixos/ssh.nix
@@ -16,5 +16,8 @@
     };
   };
 
-  services.openssh.enable = true;
+  services.openssh = {
+    enable = true;
+    passwordAuthentication = false;
+  };
 }