diff --git a/modules/nixos/community-builder/keys/grimmauld b/modules/nixos/community-builder/keys/grimmauld
new file mode 100644
index 0000000..7d030a5
--- /dev/null
+++ b/modules/nixos/community-builder/keys/grimmauld
@@ -0,0 +1 @@
+sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIMgGKExPve3tsl0/kjV5rCo5wb46CapnUaA1ZdZWpgXTAAAAC3NzaDpnZW5lcmFs grimmauld@grimm-nixos-ssd
diff --git a/modules/nixos/community-builder/users.nix b/modules/nixos/community-builder/users.nix
index 8821f76..bf44962 100644
--- a/modules/nixos/community-builder/users.nix
+++ b/modules/nixos/community-builder/users.nix
@@ -71,6 +71,12 @@ let
       shell = pkgs.fish;
       keys = ./keys/glepage;
     }
+    {
+      # lib.maintainers.grimmauld, https://github.com/lordgrimmauld
+      name = "grimmauld";
+      trusted = true;
+      keys = ./keys/grimmauld;
+    }
     {
       name = "hadilq";
       trusted = true;