diff --git a/default.nix b/default.nix
index 57d68e276c58c8f16a15e429b557bacb97de68bd..bb6e535109ca61c3c10535631bfcfce4b354bde4 100644
--- a/default.nix
+++ b/default.nix
@@ -1,5 +1,5 @@
 let
-  moreOverlays = [ (import ./oldnix/overlay.nix) ];
+  moreOverlays = [ (import ./nix/overlay.nix) ];
 
   # Read in the Niv sources
   sources = import ./nix/sources.nix { };
diff --git a/oldnix/challenge-bypass-ristretto-repo.nix b/nix/challenge-bypass-ristretto-repo.nix
similarity index 100%
rename from oldnix/challenge-bypass-ristretto-repo.nix
rename to nix/challenge-bypass-ristretto-repo.nix
diff --git a/oldnix/challenge-bypass-ristretto.nix b/nix/challenge-bypass-ristretto.nix
similarity index 100%
rename from oldnix/challenge-bypass-ristretto.nix
rename to nix/challenge-bypass-ristretto.nix
diff --git a/oldnix/overlay.nix b/nix/overlay.nix
similarity index 100%
rename from oldnix/overlay.nix
rename to nix/overlay.nix