diff --git a/cloud-node/requirements.txt b/cloud-node/requirements.txt
index 7ca8fbc..110d8fb 100644
--- a/cloud-node/requirements.txt
+++ b/cloud-node/requirements.txt
@@ -72,7 +72,7 @@ PyHamcrest==1.9.0
 python-dateutil==2.8.0
 python-engineio==3.5.0
 python-socketio==3.1.2
-PyYAML==3.13
+PyYAML==5.4
 pyzmq==18.0.1
 requests==2.20.1
 rsa==3.4.2