diff --git a/setup.py b/setup.py
index 7720ba3fd..c1ae00ce8 100644
--- a/setup.py
+++ b/setup.py
@@ -37,6 +37,7 @@ requirements = {
         "jieba",
         "jsonlines",
         "kaldiio",
+        "kaldi_io",
         "librosa",
         "loguru",
         "matplotlib",