diff --git a/configuration/common/default.nix b/configuration/common/default.nix
index f737b74..da366bd 100644
--- a/configuration/common/default.nix
+++ b/configuration/common/default.nix
@@ -26,6 +26,8 @@
   nix.settings = {
     trusted-users = [ "@wheel" "@guests" ];
     auto-optimise-store = true;
+    # Keep buildtime dependencies
+    keep-outputs = true;
   };
 
   environment.systemPackages = with pkgs; [