diff --git a/flake.nix b/flake.nix
index 57eaf65..dc1c5c8 100644
--- a/flake.nix
+++ b/flake.nix
@@ -16,6 +16,8 @@
       });
     in
     {
+      overlay = final: prev: { notlistener = prev.pkgs.callPackage ./. { }; };
+
       packages = forAllSystems ({ pkgs }: {
         default = pkgs.buildGoModule {
           name = "notlistener";