diff --git a/requirements.txt b/requirements.txt
index 26ae68d..d4c9a03 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -70,7 +70,7 @@ python-dateutil==2.7.3
 python-debian==0.1.32
 pytz==2018.5
 pyxdg==0.25
-PyYAML==3.12
+PyYAML==5.4
 pyzmq==17.0.0
 qtconsole==4.3.1
 requests==2.18.4