diff --git a/backend/requirements.txt b/backend/requirements.txt
index e0f6ded5..4af5cc85 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -18,6 +18,7 @@ qwen-tts>=0.0.5
 librosa>=0.10.0
 soundfile>=0.12.0
 numpy>=1.24.0
+numba>=0.60.0,<0.61.0
 
 # Utilities
 python-multipart>=0.0.6