diff --git a/system/configuration.nix b/system/configuration.nix
index 1ea21c8..286b7c8 100644
--- a/system/configuration.nix
+++ b/system/configuration.nix
@@ -169,6 +169,8 @@
     package = pkgs.unstable.nixFlakes; # or versioned attributes like nixVersions.nix_2_8
     extraOptions = ''
       experimental-features = nix-command flakes
+      keep-outputs = true
+      keep-derivations = true
     '';
   };
   # This value determines the NixOS release from which the default