diff --git a/overlay.nix b/overlay.nix
index d7e66b9..eddd85a 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -27,6 +27,8 @@ let
 
   # These packages depend on Nix features that Lix does not support
   overridelist_2_18 = [
+    "attic-client"
+    "nix-du"
     "nix-init"
     "nix-prefetch-git"
     "nixos-option"