diff --git a/flake.nix b/flake.nix
index e8ecb43..85173ba 100644
--- a/flake.nix
+++ b/flake.nix
@@ -25,6 +25,10 @@
     {
       packages = forAllSystems (import ./packages.nix);
 
+      overlays.default = final: prev: (final // {
+        zerforschen-plus-content = self.packages.zerforschen-plus-content;
+      });
+
       devShells = forAllSystems (
         { pkgs, system, ... }:
         {