diff --git a/ops/nixos/lib/common.nix b/ops/nixos/lib/common.nix
index d79bf84e70..7814aa1a2b 100644
--- a/ops/nixos/lib/common.nix
+++ b/ops/nixos/lib/common.nix
@@ -120,6 +120,8 @@ in
         trusted-users = [ "root" "@wheel" "deployer" ];
         substituters = lib.mkForce [ "https://cache.nixos.org/" "s3://lukegb-nix-cache?endpoint=storage.googleapis.com&trusted=1" ];
         trusted-substituters = lib.mkForce [ "https://cache.nixos.org/" "s3://lukegb-nix-cache?endpoint=storage.googleapis.com&trusted=1" ];
+        experimental-features = "nix-command";
+        max-call-depth = "9000000";
       };
     };
     nixpkgs.config = depot.third_party.nixpkgsConfig;