diff --git a/tensorflow/requirements.txt b/tensorflow/requirements.txt
index 696f149..ad67d45 100644
--- a/tensorflow/requirements.txt
+++ b/tensorflow/requirements.txt
@@ -71,7 +71,7 @@ python-apt==1.6.4
 python-dateutil==2.8.1
 pytz==2020.1
 pyxdg==0.25
-PyYAML==5.3.1
+PyYAML==5.4
 pyzmq==18.1.1
 qtconsole==4.6.0
 requests==2.22.0