diff --git a/machines/common.nix b/machines/common.nix
index 7207943..2494523 100644
--- a/machines/common.nix
+++ b/machines/common.nix
@@ -194,11 +194,17 @@ inputs:
     };
   };
 
-  # generate login settings
-  # ykman otp chalresp --touch --generate 2
-  security.pam.yubico = {
-    enable = true;
-    # debug = true;
-    mode = "challenge-response";
+  security = {
+    # generate login settings
+    # ykman otp chalresp --touch --generate 2
+    pam.yubico = {
+      enable = true;
+      # debug = true;
+      mode = "challenge-response";
+    };
+    sudo = {
+      package = pkgs.sudo.override { withInsults = true; };
+    };
   };
+
 }