diff --git a/requirements.txt b/requirements.txt
index 297952d..3850fc5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -84,7 +84,7 @@ python-dateutil==2.6.1
 python-debian==0.1.32
 pytz==2018.3
 pyxdg==0.26
-PyYAML==5.1
+PyYAML==5.4
 pyzmq==19.0.0
 qtconsole==4.7.1
 QtPy==1.9.0