diff --git a/nixops/common-users.nix b/nixops/common-users.nix
index 40e71f3..36582da 100644
--- a/nixops/common-users.nix
+++ b/nixops/common-users.nix
@@ -91,6 +91,13 @@
       "ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzODQAAABhBGtaB32Ri1O7zRVG+1ADXmhwbK0r8R+c5W1RJd7cab5O9jp10wI+0JArFgK8u4m9oaR1rrVy4ym8wWMNu8vGKVTgyK+6UK87qTD96pnzwTyvzKCMOIHVBAPsnVfdOSKXLQ=="
     ];
   };
+  kk105 = {
+    isNormalUser = true;
+    extraGroups = ["plugdev" "dialout"];
+    openssh.authorizedKeys.keys = [
+      "ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzODQAAABhBCz/+v95hOHJXYFdzAACX6ezlroIb5d00FYZJn/CAKvQ1ZVVVA50tuNxcvgUMaWOzdUFaWtFOE7jprp7bDDwnK6tuxtSVKY6jIKrHWkjLjrrInpse3YkXny0yAyx/Nh2wA=="
+    ];
+  };
 
   dpn = {
     isNormalUser = true;