diff --git a/requirements.txt b/requirements.txt
index 0433140..395089d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 Cython
-librosa==0.9.1
+librosa==0.9.2
 numpy
 scipy
 tensorboard
@@ -7,7 +7,7 @@ torch==1.13.1
 torchvision==0.14.1
 torchaudio==0.13.1
 unidecode
-pyopenjtalk
+pyopenjtalk==0.1.3
 jamo
 pypinyin
 jieba