diff --git a/nix/package.nix b/nix/package.nix
index 538490e0..40c8c611 100644
--- a/nix/package.nix
+++ b/nix/package.nix
@@ -56,6 +56,7 @@ rustPlatform.buildRustPackage {
     fileset = lib.fileset.intersection (lib.fileset.fromSource (lib.sources.cleanSource ./..)) (
       lib.fileset.unions [
         ../assets
+        ../docs/next/api/herdr-api.schema.json
         ../src
         ../vendor/libghostty-vt
         ../vendor/libghostty-vt.vendor.json