diff --git a/flake.nix b/flake.nix
index fe643b1..32da764 100644
--- a/flake.nix
+++ b/flake.nix
@@ -8,9 +8,9 @@
 
   outputs = { self, nixpkgs, utils }:
     let
-      supportedSystems = nixpkgs.lib.platforms.unix;
+      supportedSystems = [ "x86_64-linux" "aarch64-linux" ];
     in
-    utils.lib.eachSystem supportedSystems (system:
+    (utils.lib.eachSystem supportedSystems (system:
       let pkgs = import nixpkgs { inherit system; };
       in
       rec {
@@ -45,5 +45,9 @@
           packages = [ pkgconfig dbus rustup ];
         };
         devShell = devShells.rustybar;
-      });
+      })) // {
+      overlay = final: prev: {
+        inherit (self.packages."${prev.system}") rustybar;
+      };
+    };
 }