diff --git a/common/default.nix b/common/default.nix
index 651c80f..0893bb6 100644
--- a/common/default.nix
+++ b/common/default.nix
@@ -27,7 +27,7 @@ in {
     enable = true;
     ports = lib.mkDefault [ 62954 ];
     passwordAuthentication = false;
-    challengeResponseAuthentication = false;
+    kbdInteractiveAuthentication = false;
     permitRootLogin = lib.mkDefault "prohibit-password";
     extraConfig = "StreamLocalBindUnlink yes";
     forwardX11 = true;
@@ -72,7 +72,7 @@ in {
     niv
   ];
 
-  security.acme.email = "info+acme@hacc.space";
+  security.acme.defaults.email = "info+acme@hacc.space";
   security.acme.acceptTerms = true;
 
   services.nginx.appendHttpConfig = ''