diff --git a/deepLearning/requirements.txt b/deepLearning/requirements.txt
index 0084935..4c2ed05 100644
--- a/deepLearning/requirements.txt
+++ b/deepLearning/requirements.txt
@@ -59,7 +59,7 @@ python-dateutil==2.8.1
 pytorch-lightning==0.7.1
 pywin32==227
 pywinpty==0.5.7
-PyYAML==5.3.1
+PyYAML==5.4
 pyzmq==18.1.1
 qtconsole==4.7.2
 QtPy==1.9.0