diff --git a/sets/builder.nix b/sets/builder.nix
index 9fae65a..77d8d7d 100644
--- a/sets/builder.nix
+++ b/sets/builder.nix
@@ -7,9 +7,11 @@
     home = "/home/build";
     createHome = true;
     useDefaultShell = true;
+    group = "build";
     openssh.authorizedKeys.keys = [
       "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFOBdARV3DVx4fKTf1hCSmOz+S06pI28cvrdo+FbWDP/ root@rainbowdash"
       "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIElCYORRBERl/as01Obp1Og/mdy28V7gw32uCZseOSZt root@spike"
     ];
   };
+  users.groups.build = {};
 }
diff --git a/sets/virtualization.nix b/sets/virtualization.nix
index 97b980d..43edaa2 100644
--- a/sets/virtualization.nix
+++ b/sets/virtualization.nix
@@ -32,6 +32,7 @@
       isSystemUser = true;
       subUidRanges = [{ startUid = 16777216; count = 16777216; } { startUid = config.users.users.artemis.uid; count = 1; }];
       subGidRanges = [{ startGid = 16777216; count = 16777216; } { startGid = 100; count = 1; } { startGid = config.users.groups.artemis.gid; count = 1; }];
+      group = "lxd";
     };
   };
 }
diff --git a/system/starlight/default.nix b/system/starlight/default.nix
index 5281b7d..e8baa99 100644
--- a/system/starlight/default.nix
+++ b/system/starlight/default.nix
@@ -53,6 +53,7 @@
   users.users.skye = {
     isSystemUser = true;
     uid = 1001;
+    group = "users";
   };
 
   # Packages