diff --git a/requirements.txt b/requirements.txt
index dd4099a2..0f29e95b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,6 +6,7 @@ jieba
 librosa==0.7.2
 matplotlib
 numpy==1.18.5
+pandas
 phonemizer>=2.2.0
 pypinyin
 pysbd