diff --git a/requirements.txt b/requirements.txt
index c00f403..c58025a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,11 +1,15 @@
-Cython==0.29.21
+Cython
 librosa==0.9.1
 matplotlib==3.3.1
 numpy
-phonemizer==2.2.1
-scipy==1.5.2
-tensorboard==2.3.0
+phonemizer
+scipy
+tensorboard
 torch
 torchvision
-Unidecode==1.1.1
+Unidecode
 amfm_decompy
+jieba
+transformers
+pypinyin
+cn2an