diff --git a/flake.nix b/flake.nix
index 7e4031b..e1bb357 100644
--- a/flake.nix
+++ b/flake.nix
@@ -17,7 +17,7 @@
       packages = eachSystem (
         system:
         let
-          pkgs = import nixpkgs { system = "${system}"; overlays = [ (import ./overlay.nix) ]; };
+          pkgs = import nixpkgs { system = "${system}"; overlays = [ self.overlays.iosevka-hashcube ]; };
         in
         {
           default = self.packages.${system}.iosevka-hashcube.nightly;
@@ -26,6 +26,7 @@
           };
         }
       );
+      overlays.iosevka-hashcube = import ./overlay.nix;
       devShells = eachSystem (
         system:
         let