diff --git a/flake.nix b/flake.nix
index c3d1660..631756e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -7,27 +7,34 @@
   };
 
   outputs = { self, nixpkgs, utils, naersk }:
+    let
+      pkgs = import nixpkgs { system = "x86_64-linux"; overlays = [ naersk.overlay ]; };
+      # naersk-lib = builtins.trace naersk nixpkgs.legacyPackages.x86_64-linux.callPackage naersk { };
+      naersk-lib = pkgs.naersk;
+    in
     rec {
-      overlay = final: prev: {
-        ha-now-playing = final.callPackage ./.;
-      };
+      overlay = nixpkgs.lib.composeManyExtensions [
+        (final: prev: {
+          ha-now-playing = naersk-lib.buildPackage
+            {
+              pname = "ha-now-playing";
+              root = ./.;
+
+              buildInputs = [
+                prev.openssl
+              ];
+              nativeBuildInputs = [
+                prev.pkg-config
+              ];
+            };
+        })
+      ];
     } // utils.lib.eachDefaultSystem (system:
       let
-        pkgs = import nixpkgs { inherit system; };
-        naersk-lib = pkgs.callPackage naersk { };
+        pkgs = import nixpkgs { inherit system; overlays = [ self.overlay ]; };
       in
       rec {
-        packages.ha-now-playing = naersk-lib.buildPackage {
-          pname = "ha-now-playing";
-          root = ./.;
-
-          buildInputs = with pkgs;[
-            openssl
-          ];
-          nativeBuildInputs = with pkgs; [
-            pkg-config
-          ];
-        };
+        packages.ha-now-playing = pkgs.ha-now-playing;
         defaultPackage = packages.ha-now-playing;
 
         apps.ha-now-playing = utils.lib.mkApp {