diff --git a/flake.nix b/flake.nix
index 36a04f2..3913bbe 100644
--- a/flake.nix
+++ b/flake.nix
@@ -8,6 +8,10 @@
 
   outputs = inputs@{ self, ... }:
     inputs.flake-parts.lib.mkFlake { inherit inputs; } {
+      imports = [
+        inputs.flake-parts.flakeModules.easyOverlay
+      ];
+
       perSystem = args@{ system, pkgs, lib, config, ... }: let
         invoiceplane-template = pkgs.stdenv.mkDerivation {
           name = "invoiceplane-template";
@@ -20,6 +24,9 @@
       in {
         packages.default = invoiceplane-template;
         packages.invoiceplane-template = invoiceplane-template;
+        overlayAttrs = {
+          inherit (config.packages) invoiceplane-template;
+        };
       };
     };
 }