diff --git a/backend/build_binary.py b/backend/build_binary.py
index 95f1b5f1..bba41d3b 100644
--- a/backend/build_binary.py
+++ b/backend/build_binary.py
@@ -68,6 +68,11 @@ def build_server(cuda=False):
         '--hidden-import', 'backend.utils.effects',
         '--hidden-import', 'backend.versions',
         '--hidden-import', 'pedalboard',
+        '--hidden-import', 'chatterbox',
+        '--hidden-import', 'chatterbox.tts_turbo',
+        '--hidden-import', 'chatterbox.mtl_tts',
+        '--hidden-import', 'backend.backends.chatterbox_backend',
+        '--hidden-import', 'backend.backends.chatterbox_turbo_backend',
         '--hidden-import', 'torch',
         '--hidden-import', 'transformers',
         '--hidden-import', 'fastapi',