diff --git a/flake.nix b/flake.nix
index 81a143f..8fd6911 100644
--- a/flake.nix
+++ b/flake.nix
@@ -18,5 +18,6 @@
         pkgs = import nixpkgs { inherit system; };
       });
       packages = forAllSystems (system: nixpkgs.lib.filterAttrs (_: v: nixpkgs.lib.isDerivation v) self.legacyPackages.${system});
+      overlay = import ./overlay.nix;
     };
 }