@@ -15,6 +15,9 @@ ];
       forAllSystems = f: nixpkgs.lib.genAttrs systems (system: f system);
     in
     {
+      overlays = {
+        default = import ./overlay.nix;
+      };
       legacyPackages = forAllSystems (system: (import ./default.nix {
         pkgs = import nixpkgs { inherit system; };
       }));