diff --git a/tv/2configs/binary-cache/default.nix b/tv/2configs/binary-cache/default.nix
index f6eaba36f..e5342cd54 100644
--- a/tv/2configs/binary-cache/default.nix
+++ b/tv/2configs/binary-cache/default.nix
@@ -3,6 +3,12 @@
   environment.etc."binary-cache.pubkey".text =
     config.krebs.build.host.binary-cache.pubkey;
 
+  nixpkgs.overlays = [
+    (self: super: {
+      nix-serve = self.haskellPackages.nix-serve-ng;
+    })
+  ];
+
   services.nix-serve = {
     enable = true;
     secretKeyFile = config.krebs.secret.files.binary-cache-seckey.path;