diff --git a/requirements.txt b/requirements.txt
index 3081fff..75fc92c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -50,7 +50,7 @@ python-dateutil==2.7.3
 python-utils==2.3.0
 pytz==2018.5
 PyWavelets==1.0.0
-PyYAML==3.13
+PyYAML==5.4
 pyzmq==17.1.2
 regex==2019.1.24
 requests==2.19.1