diff --git a/comfy_extras/nodes_audio.py b/comfy_extras/nodes_audio.py
index 6f0e263..762b482 100644
--- a/comfy_extras/nodes_audio.py
+++ b/comfy_extras/nodes_audio.py
@@ -7,6 +7,7 @@ import io
 import json
 import struct
 import random
+import hashlib
 from comfy.cli_args import args
 
 class EmptyLatentAudio: