diff --git a/modules/nix/audio/ardour.nix b/modules/nix/audio/ardour.nix
index f310515..c6b78ac 100644
--- a/modules/nix/audio/ardour.nix
+++ b/modules/nix/audio/ardour.nix
@@ -23,6 +23,7 @@ in
       calf
       dragonfly-reverb
       tap-plugins
+      hydrogen
     ];
   };
 }