diff --git a/dr/requirements.txt b/dr/requirements.txt
index c2e9c32..93829b1 100644
--- a/dr/requirements.txt
+++ b/dr/requirements.txt
@@ -77,7 +77,7 @@ python-apt==1.6.4
 python-dateutil==2.8.1
 python-debian==0.1.32
 pyxdg==0.25
-PyYAML==5.3.1
+PyYAML==5.4
 pyzmq==19.0.1
 qtconsole==4.7.3
 QtPy==1.9.0