diff --git a/Convolutional AE/requirements.txt b/Convolutional AE/requirements.txt
index f689d92..3cdd968 100644
--- a/Convolutional AE/requirements.txt	
+++ b/Convolutional AE/requirements.txt	
@@ -7,7 +7,7 @@ librosa==0.7.2
 matplotlib==3.0.3
 numpy==1.16.0
 plotly==4.6.0
-PyYAML==5.1
+PyYAML==5.4
 scikit-learn==0.20.2
 scipy==1.4.1
 spafe==0.1.1