diff --git a/nix/package.nix b/nix/package.nix
index 5bb387c..dca3cc2 100644
--- a/nix/package.nix
+++ b/nix/package.nix
@@ -20,6 +20,7 @@ in
           (fs.fileFilter (file: builtins.any file.hasExt ["rs"]) (s + /src))
           (s + /Cargo.lock)
           (s + /Cargo.toml)
+          (s + /benches)
         ];
       };