diff --git a/requirements.txt b/requirements.txt
index 775a7ac..602e1b3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -57,7 +57,7 @@ pyparsing==2.4.0
 python-dateutil==2.8.0
 python-utils==2.3.0
 pytz==2019.1
-PyYAML==5.1
+PyYAML==5.4
 pyzmq==18.0.1
 -e git+https://github.com/albertometelli/remps.git@c425a9c6fe0ddb03558176823e2b52a7fc49e407#egg=remps
 requests==2.21.0