diff --git a/requirements.txt b/requirements.txt
index 30a095f..0c8b792 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ protobuf==3.11.3
 pyparsing==2.4.7
 python-dateutil==2.8.1
 pytz==2020.1
-PyYAML==5.3.1
+PyYAML==5.4
 scipy==1.4.1
 six==1.14.0
 tensorboard==1.13.1