diff --git a/nixos/configuration.nix b/nixos/configuration.nix
index 1bafcc3..5f14e12 100755
--- a/nixos/configuration.nix
+++ b/nixos/configuration.nix
@@ -71,6 +71,15 @@
     variant = "";
   };
 
+  # Add /etc/current-system-packages
+  environment.etc."current-system-packages".text =
+  let
+    packages = builtins.map (p: "${p.name}") config.environment.systemPackages;
+    sortedUnique = builtins.sort builtins.lessThan (pkgs.lib.lists.unique packages);
+    formatted = builtins.concatStringsSep "\n" sortedUnique;
+  in
+    formatted;
+
   # Enable CUPS to print documents.
   services.printing.enable = true;