diff --git a/nix/packages.nix b/nix/packages.nix
index cc35fda..d1e3f3d 100644
--- a/nix/packages.nix
+++ b/nix/packages.nix
@@ -23,6 +23,7 @@ in
           pkgs.tzdata
           pkgs.bash
           pkgs.coreutils
+          pkgs.libopus
         ];
         config = {
           Entrypoint = [ "/bin/hermes" "gateway" "run" ];