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
diff --git a/utils.py b/utils.py
index 04a05cb..0e00972 100644
--- a/utils.py
+++ b/utils.py
@@ -206,7 +206,7 @@ def clean_checkpoints(path_to_models='logs/44k/', n_ckpts_to_keep=2, sort_by_tim
 
 def get_hparams_from_dir(model_dir):
     config_save_path = os.path.join(model_dir, "config.json")
-    with open(config_save_path, "r") as f:
+    with open(config_save_path, "r", encoding='utf-8') as f:
         data = f.read()
     config = json.loads(data)